Robert Bosch Placement Paper 2011.

a) 128 b) 48 c) d)

1. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?)

d) 010101

2. The relationship b/w Gain & Bandwidth?

a) Independent of each other

b) Gain decreases as bandwidth decreases

c) Gain increases as bandwidth increases till some extent after which stability decreases

a) 2^n b)2^n +1 c)2^n -1 d) some other choice Ans: a

a) 77777777 b) 80000000 c) 7FFFFFFF d) some other choice

a)10v b)1v c)1.6v d)16v Ans : b

a) 550 b) 500 c) 600 d) Data insufficient Ans : b

a) b) c ) d)

a) 60 b) 25 c) 10 d) 0

ans --c i= (Vs/R)exp(-t/ T)

a) high current rating b) voltage regulation c) high v rating d)some other

Ans: c

a) BJT b) MOSFET c) IGBT d) TRIAC

a) To achieve optimum (or maximum ...not sure) dv/dt

b) For high current ratings

c) To achieve high voltage

d) Some other choice

a) Q point b) Saturation c) Cut off

a). 20.5 MHz

b). 2.65 KHz

c). 20.5 KHz

d). none

a). 3.076mA

b). 3.76mA

a) real & +ve b) real & -ve c) d)

main ()

{

int a;

a=A*A;

printf (“%d”, a);

}

a) 100 b) 200 c) 120 d) 400

26. main(){

int n=0;

while(n>32767)

pf(“%d”,n);

n++

}

27. if (fun ())

{

X++;

}

X gets incremented if and only if

a) fun () returns 0

b) fun () return 1

c) fun () return -1

d) return a value other than 0 ans ; d

a) Power dissipation is less than that of static memory

b) Clock is needed

c) Refreshing is required

d) All the above

a)2,2,4 b) Machine dependant c)2,4,8 d) Some other choice ans : b

a) Passive b) Active c) AMPLIFIER d) BOOSTER

a) current b) di/ds c) applied emf d)

a). yes

b) no

c) compiler dependent

d)

a) Half simplex b) Simplex c) Half duplex d) duplex

{

int a=5, b=6;

int i=0;

i=a>b? a:b;

printf (“%d”, i);

}

a) 0 b) 1 c) 6 d)5

{

int i;

static int y ;}

a) c, i are stored in stack and y stored in data segment

b)c stored in stack and i,y are stored in data segment

c) c is stored in text segment, y in data and i in stack

a) #read

b) #get

c) #include

d) #pre ans: c

a) any other structure

b) any other structure expect themselves

c) any other structure except themselves and pointed to themselves

d) none of the above

Section II

a)2a+b<0 b) 4a<3b c) a>4b d) some oth

a)110 b)100 c) 96 Ans a

a)5c/6 b)c/6 c) 6c/5

a) 1320square f.

b) 260 square f.

c) 96 square f.

d) none

ans : c

a) Ann is taller than Tom b) c) d) Data insufficient ans : d

a) 20 b) 40 c) d) (Answer is 40. Two numbers are 20 and 2)

a). 17

b). 3

c). 11

d). 15

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

main()

{

int const *p = 10;

printf(“%d”, ++(*p));

}

sol: Constant cant be modified.

{

int I;

char *a = “man”;

for(i=0;i<3;i++)

printf(“%c%c%c%c\n”,i[a],a[i],*(a+i),*(i+a));

}

aaaa

nnnn

{

extern int i = 10;

printf(“%d”,i);

}

4)main()

{

float f= 1.1;

double d = 1.1;

if ( f == d)

printf(“I LOVE U”);

else

printf(“I HATE U”);

}

Sol: Due to precision Considerations ...

5) A tree was given and postorder traversal is to be found out...(Easy)

6) What is the name of the Command used to partition the disk

Sol: When you run the

Formulae: Effective access time=((1-p)*m+(p*s))

where (1-p) is called hit ratio, p is called page fault ratio, 'm' is called main memory access time, 's' is called pagefault service time.

sol: Linked Lists..

ans:two

1) for storing the data

2) other for storing the priorities.

void main()

{

int i = 15;

int const &j = i;

cout << i << j << endl;

i = 9;

cout << i << j << endl

}

15 15

9 9

a) TELNET b) FTP. c)smtp d)none

Prepare 'top down approach' - ross and kurose for computer networks...it would be helpful..

37)sum of the infinite terms in a gp is 230 and sum of squares is 23 ...find the common ratio.

38) fourth term of an ap is 200 and first term is 5 find the tenth term...??

sol: 70

sol: 0%

42)

a radioactive element disintegrates by 20 th part every hour and find the probability that no matter is left out in a duration of 45 min...??

sol: since it deals with radioactive element 'n' is usually large..so poissons distribution is to be applied...

1hr=60min----------20

45min----------?

(45*20)/(60)=15..

Hence lamba=15

P(x=0)= (e-15)*(150)/(0!)

=(e-15)

sol: 4*(x+2)=(3*2x)

i.e; x=4

sol: (x+5)2-x2=165

10x+25=165

10x=140

x=14

1. void main() {

q.1 int const * p=5; printf("%d",++(*p)); } Answer: Compiler error: Cannot modify a constant value.

2. main() { char s[ ]="man"; int i; for(i=0;s[ i ];i++) printf("\n%c%c%c%c",s[ i ],*(s+i),*(i+s),i[s]); } Answer: mmmm aaaa nnnn 3. main() { float me = 1.1; double you = 1.1; if(me==you) printf("I love U"); else printf("I hate U"); } Answer: I hate U 4. main() { static int var = 5; printf("%d ",var--); if(var) main(); } Answer: 5 4 3 2 1 5. main() { int c[ ]={2.8,3.4,4,6.7,5}; int j,*p=c,*q=c; for(j=0;j<5;j++) { printf(" %d ",*c); ++q; } for(j=0;j<5;j++){ printf(" %d ",*p); ++p; } } Answer: 2 2 2 2 2 2 3 4 6 5 6. main() { extern int i; i=20; printf("%d",i); } Answer: Linker Error : Undefined symbol '_i' 7. main() { int i=-1,j=-1,k=0,l=2,m; m=i++&&j++&&k++||l++; printf("%d %d %d %d %d",i,j,k,l,m); } Answer: 0 0 1 3 1 8. main() { char *p; printf("%d %d ",sizeof(*p),sizeof(p)); } Answer: 1 2 9. main() { int i=3; switch(i) { default:printf("zero"); case 1: printf("one"); break; case 2:printf("two"); break; case 3: printf("three"); break; } } Answer: three 10. If you are using C language to implement the hetrogeneous linked list, what pointer will you use? Answer: void type 11. Minimum number of quwuws needed to implement the priority queue? Answer: Two 12. In tree construction which is suitabble efficient data stuructre? Answer: Linked list 13. How many nodes are there in full binary tree? Answer: 2n-1 14. D

A

B

C

H

E

F

G

I

J

Answer: post fix notation HDEBFIJGCA

15) #include

void main()

{

int i = 15;

int const &j = i;

cout << i << j << endl;

i = 9;

cout << i << j << endl

}

Ans:

15 15

9 9

16. In block structured programming?

Answer we can save memory by controlling the type of variable

17. Which of the following function are used in dyanamic programing handling?

a. New b. Delete c. Both A, B d. None

18. The variable that contains address of another variable is called as?

Answer: Pointer

19. The method used to write the characters in C++ programming?

Answer: Put

20. The header file that is included to use manipulators is

Answer: manip.h

21. What is the purpose of default IP route Answer: To stop IP packets routing the internet forever. 22. Which of the following protocols use TCP? Options BGP, FTP, Telnet, All 23. Which of the following network classes contains the fewest avialiable host addresses? Options class A, class B, classC, class D 24. Which layer is responsible for flow with sliding windows and really with sequence numbers and acknowledgements? Options transport, application, internetnetworkinterface 25. Which of the following protoclos use "HELLO" packets? Options RJP, RIP2, IGRP, OSPP 26. Select which protocols use distance vector routing? Options RIP, IGRP, Both A&B, NONE 27. What is the name of the Command used to partition the disk?

nswer FDISK

28. Virtual Memory consist of main memory and? Answer: Files

29. On an ethernet segment two DEC net router have priority set to hundred the node addresse are 1 .1 and 1.2 resp? which router will became designated router? Answer: Options 1.1, 1.2, more information required

30. Which file contains the dos kernel? answer config, system

31. Which driver must be loaded in config system to enable power managment on a laptop computer? Answer power.ini

32. The upper memory area is located options b/w 640K and 1024K, above 1 MEG, anything above 1024K, b/w 512K and 840K

33. In a multi user os. 20 requests are made to user particular requests on per average probalitliy tht no requests are made in 45 min?

34. In a paged memory the page hit ratio is 0.35. the time required to to acess the page in secondary memory =100 ns. the time required to acess the page in primary is 10 ns the average time required to acess the page is?

35. If n is natural number the 'n' (n+1)(2n+1) is always divisible by options 4, 5, 6, 7?

36. If 35% of a number is 140 then 67.5% of the number is?

37. If in an A.P. the third term is the 4 time of the 1st term an the 6th term is 17th then its 10th term is ? option 20,23,29,31

38. If a slaesman gives a discount of 20% from the listed price of a T.V. he makes 20% percent of profit if a disount of 10% is given on listed price then his profit will? Answer 35%

39. The length of a side of a square is x=2 the length of equilateral trianlge is 2x if the square and the trianlge have equal parameter find the value of x?

40. It takes mr. Kartik y hrs to complete a manuscript after 2 hrs. He cold away what fraction of the assignmnet was left incomplete? option (y-2)/y, (y-1)/y, (y-3)/y, (y-5)/y

41. A student divide a number by 2/3 when he required to multiply by 3/2 calculate the percentage error answer 0%

42. A dishonest shopkeeper professes to sell pulses at cost price but he uses a false weight of 950 gm for a Kg his gain is ____ %?

43. If a side of a square is increased by 5 cm the area increased by 165 square cm the side of the square is?

44. Ramu spent 35000 in buying the raw material rupees and 40000 in buying machinery and 20% ofthe total amoun he had cash with him what was the total?

45. If x % of y = z then what % of z is x?

46. Light glows for every 13 sec how many times it will glow b/w 1:57:58 and 3:20:47?

47. If 820+r+s-640=342 and if r is 25 then s is? Answer: 137

48. If total distance of a journey is 120 Km if one goes by 60Km/hr and and comes back in 40kmph what is the average speed?

49. The sum of infinite number of G.P . series is 23 the sum of their square is 69 then theier common ratio is? rest 10 Q are of verbal resoning and rearrange the sentence and find errors.

**1.**A 16 bit monosample is used for digitization of voice. If 8 kHz is the sampling rate then the rate at which bit is transferred isa) 128 b) 48 c) d)

1. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?)

d) 010101

2. The relationship b/w Gain & Bandwidth?

a) Independent of each other

b) Gain decreases as bandwidth decreases

c) Gain increases as bandwidth increases till some extent after which stability decreases

**3.**In “ON CHIP” decoding memory can be decoded toa) 2^n b)2^n +1 c)2^n -1 d) some other choice Ans: a

**4.**Half of address 0Xffffffff isa) 77777777 b) 80000000 c) 7FFFFFFF d) some other choice

**5.**For a 4 bit succe D/A with 16v o/p the resolution isa)10v b)1v c)1.6v d)16v Ans : b

**6.**A 20kva transformer at full load conditions have the coreless & cu loss are 250w&300w,To get max efficiency what will be the total loss in tr in wa) 550 b) 500 c) 600 d) Data insufficient Ans : b

**7.**There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH AC voltage =150 sin (1000t).what is the current flowing in the circuit?a) b) c ) d)

**8**. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW isa) 60 b) 25 c) 10 d) 0

**9.**There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition. Choices were somewhat like this: a) some value multiplied by exp (-t/T)ans --c i= (Vs/R)exp(-t/ T)

**10.**SCR s are connected in series to geta) high current rating b) voltage regulation c) high v rating d)some other

Ans: c

**11.**Which one of the following is used for high speed power application?a) BJT b) MOSFET c) IGBT d) TRIAC

**12.**One question related with SCR timing dia**13.**SCR is used fora) To achieve optimum (or maximum ...not sure) dv/dt

b) For high current ratings

c) To achieve high voltage

d) Some other choice

**14.**State in which o/p collector current of transistor remains constant in spite of increase in base current isa) Q point b) Saturation c) Cut off

**15.**what is the resonant frequency of parrel RLC circuit of R= 4.7 komh L= 2 micro Henry and c=30pf.a). 20.5 MHz

b). 2.65 KHz

c). 20.5 KHz

d). none

**16.**for the parallel circuit (one figure is given) Is= 10mA. R1= 2R, R2=3R, R3= 4R. R is artritarya). 3.076mA

b). 3.76mA

**17**. Two ques on control sys like the sys will be stable when the roots area) real & +ve b) real & -ve c) d)

**20**The ques on Niquest plot**21**0ne ques on root locus**22.**One more question related with ADC like voltage is 8 volts. freqency 2 Mega hz. what is the converssion rate**23.**Question related with serial in parallel out shift register…What is output sequence?**Ans...**.. 1010**24.**Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f?**25**. #define A 10+10main ()

{

int a;

a=A*A;

printf (“%d”, a);

}

a) 100 b) 200 c) 120 d) 400

**ans :**c26. main(){

int n=0;

while(n>32767)

pf(“%d”,n);

n++

}

**ans**; indefinite loop here ihe loop will continue again & again ie after 32767 the go to -3276827. if (fun ())

{

X++;

}

X gets incremented if and only if

a) fun () returns 0

b) fun () return 1

c) fun () return -1

d) return a value other than 0 ans ; d

**28.**In dynamic memorya) Power dissipation is less than that of static memory

b) Clock is needed

c) Refreshing is required

d) All the above

**29.**Short, int and long integers have how many bytes?a)2,2,4 b) Machine dependant c)2,4,8 d) Some other choice ans : b

**30.**A (n) is -----------filter combination ofa) Passive b) Active c) AMPLIFIER d) BOOSTER

**31.**according to ohms law the current density is proportional toa) current b) di/ds c) applied emf d)

**32**Two more ques on gravity ie body is projected then find the time of fall and some physics ques**33.**Structure comparison is donea). yes

b) no

c) compiler dependent

d)

**34.**The system in which communication occurs in both ways but not simultaneously in both ways isa) Half simplex b) Simplex c) Half duplex d) duplex

**35**. main (){

int a=5, b=6;

int i=0;

i=a>b? a:b;

printf (“%d”, i);

}

a) 0 b) 1 c) 6 d)5

**36**. int fun (char c){

int i;

static int y ;}

a) c, i are stored in stack and y stored in data segment

b)c stored in stack and i,y are stored in data segment

c) c is stored in text segment, y in data and i in stack

**37.**how would you insert pre-written code into a current program?a) #read

b) #get

c) #include

d) #pre ans: c

**38**.structure may containa) any other structure

b) any other structure expect themselves

c) any other structure except themselves and pointed to themselves

d) none of the above

**39**One ques from pointer declarationSection II

**40**If a>4,b<-1 then which of the following is truea)2a+b<0 b) 4a<3b c) a>4b d) some oth

**41**In a class out of 150 studs participated in various games foot ball ,basket ball, cricket are 120, 130,135 respecly and 5 stud are not playing any one of then then find the least no of studs which are are playing all the gamesa)110 b)100 c) 96 Ans a

**42.**20 men can do a work in c/2 days & 30 women can do the same work in c/3 days then how many days will take to complete the work when 20 men &30wmen work togethera)5c/6 b)c/6 c) 6c/5

**43.**find the lateral surface of a cone with diameter of base 12feet . and the latent height is 24feeta) 1320square f.

b) 260 square f.

c) 96 square f.

d) none

ans : c

**44.**Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are truea) Ann is taller than Tom b) c) d) Data insufficient ans : d

**45**. Sum of squares of two numbers is 404 and sum of two numbers is 22.Then product of two Numbers?a) 20 b) 40 c) d) (Answer is 40. Two numbers are 20 and 2)

**46)**. (10 | 7) would producea). 17

b). 3

c). 11

d). 15

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

**1)#include**.main()

{

int const *p = 10;

printf(“%d”, ++(*p));

}

**Ans:**Compilation Errorsol: Constant cant be modified.

**2) .main()**{

int I;

char *a = “man”;

for(i=0;i<3;i++)

printf(“%c%c%c%c\n”,i[a],a[i],*(a+i),*(i+a));

}

**ans: mmmm**aaaa

nnnn

**3)main()**{

extern int i = 10;

printf(“%d”,i);

}

**Ans: Compiler error**4)main()

{

float f= 1.1;

double d = 1.1;

if ( f == d)

printf(“I LOVE U”);

else

printf(“I HATE U”);

}

**Ans: I**HATE USol: Due to precision Considerations ...

5) A tree was given and postorder traversal is to be found out...(Easy)

6) What is the name of the Command used to partition the disk

**ANS:**fdiskSol: When you run the

**fdisk**and**format**commands, the Master Boot Record (MBR) and file allocation tables are created. The MBR and file allocation tables store the necessary disk geometry that allows hard disk to accept, store, and retrieve data**7)**A question from MS-DOS**ans)**msconfig.exe**8)**A quesion is on paging(Memory management)Formulae: Effective access time=((1-p)*m+(p*s))

where (1-p) is called hit ratio, p is called page fault ratio, 'm' is called main memory access time, 's' is called pagefault service time.

**9)**The header file that is included to use manipulators is**10)**Which data structure is easier to implement the trees...???sol: Linked Lists..

**11)**Function used to display the character on the console is ..??**sol:**PUT**12)**No of nodes in a perfect Binary tree is..??**sol:**(2*n-1)**13)**No of queues needed to implement the priority queue..??ans:two

**sol:**Priority queue uses two queues1) for storing the data

2) other for storing the priorities.

**14)**Heterogeneous Linked List is implemented using...???**sol:**void pointers**15)**a variable used to store the address of another variable is termed as..??**sol:**Pointer..**16)**#includevoid main()

{

int i = 15;

int const &j = i;

cout << i << j << endl;

i = 9;

cout << i << j << endl

}

**ANS:**15 15

9 9

**17)**Virtual Memory consist of main memory and ...???**sol:**Swap files**18)**Which class addressing system has less no of hosts...???**sol:**class D(not sure)**19)**Which of the following is a network layer protocola) TELNET b) FTP. c)smtp d)none

**sol**: telnet**20)**many questions on computer networks....( around 10 questions....i left all of them)Prepare 'top down approach' - ross and kurose for computer networks...it would be helpful..

**b) Quantitative:**

36) a man sells an article with a 20% discount and gain a profit of 20%...what would be the profit percentage if he sells it with 10% discount...??**sol**; 35(not sure)37)sum of the infinite terms in a gp is 230 and sum of squares is 23 ...find the common ratio.

**sol:**10/1338) fourth term of an ap is 200 and first term is 5 find the tenth term...??

**39)**if S+2R=220 and S=80 then R=.???sol: 70

**40)**if 25% of x=y then 67.5% of x in terms of y is...**sol:**100/y2 (not sure)**41)**A student was performing an arithmetic operation and he multiplied a number by 3/2 instead of dividing it by 2/3 ...what was its error percentage..??sol: 0%

42)

**Probability**:a radioactive element disintegrates by 20 th part every hour and find the probability that no matter is left out in a duration of 45 min...??

sol: since it deals with radioactive element 'n' is usually large..so poissons distribution is to be applied...

1hr=60min----------20

45min----------?

(45*20)/(60)=15..

Hence lamba=15

P(x=0)= (e-15)*(150)/(0!)

=(e-15)

**43)**If side of the square is x+2 and side of equilateral triangle is 2x and the perimeters of both square and equilateral triangle are equal ...then find the value of x..??sol: 4*(x+2)=(3*2x)

i.e; x=4

**44)**if side of the square of increased by 5 and change in area was 165 then find the value of side of the square...??sol: (x+5)2-x2=165

10x+25=165

10x=140

x=14

1. void main() {

q.1 int const * p=5; printf("%d",++(*p)); } Answer: Compiler error: Cannot modify a constant value.

2. main() { char s[ ]="man"; int i; for(i=0;s[ i ];i++) printf("\n%c%c%c%c",s[ i ],*(s+i),*(i+s),i[s]); } Answer: mmmm aaaa nnnn 3. main() { float me = 1.1; double you = 1.1; if(me==you) printf("I love U"); else printf("I hate U"); } Answer: I hate U 4. main() { static int var = 5; printf("%d ",var--); if(var) main(); } Answer: 5 4 3 2 1 5. main() { int c[ ]={2.8,3.4,4,6.7,5}; int j,*p=c,*q=c; for(j=0;j<5;j++) { printf(" %d ",*c); ++q; } for(j=0;j<5;j++){ printf(" %d ",*p); ++p; } } Answer: 2 2 2 2 2 2 3 4 6 5 6. main() { extern int i; i=20; printf("%d",i); } Answer: Linker Error : Undefined symbol '_i' 7. main() { int i=-1,j=-1,k=0,l=2,m; m=i++&&j++&&k++||l++; printf("%d %d %d %d %d",i,j,k,l,m); } Answer: 0 0 1 3 1 8. main() { char *p; printf("%d %d ",sizeof(*p),sizeof(p)); } Answer: 1 2 9. main() { int i=3; switch(i) { default:printf("zero"); case 1: printf("one"); break; case 2:printf("two"); break; case 3: printf("three"); break; } } Answer: three 10. If you are using C language to implement the hetrogeneous linked list, what pointer will you use? Answer: void type 11. Minimum number of quwuws needed to implement the priority queue? Answer: Two 12. In tree construction which is suitabble efficient data stuructre? Answer: Linked list 13. How many nodes are there in full binary tree? Answer: 2n-1 14. D

A

B

C

H

E

F

G

I

J

Answer: post fix notation HDEBFIJGCA

15) #include

void main()

{

int i = 15;

int const &j = i;

cout << i << j << endl;

i = 9;

cout << i << j << endl

}

Ans:

15 15

9 9

16. In block structured programming?

Answer we can save memory by controlling the type of variable

17. Which of the following function are used in dyanamic programing handling?

a. New b. Delete c. Both A, B d. None

18. The variable that contains address of another variable is called as?

Answer: Pointer

19. The method used to write the characters in C++ programming?

Answer: Put

20. The header file that is included to use manipulators is

Answer: manip.h

21. What is the purpose of default IP route Answer: To stop IP packets routing the internet forever. 22. Which of the following protocols use TCP? Options BGP, FTP, Telnet, All 23. Which of the following network classes contains the fewest avialiable host addresses? Options class A, class B, classC, class D 24. Which layer is responsible for flow with sliding windows and really with sequence numbers and acknowledgements? Options transport, application, internetnetworkinterface 25. Which of the following protoclos use "HELLO" packets? Options RJP, RIP2, IGRP, OSPP 26. Select which protocols use distance vector routing? Options RIP, IGRP, Both A&B, NONE 27. What is the name of the Command used to partition the disk?

nswer FDISK

28. Virtual Memory consist of main memory and? Answer: Files

29. On an ethernet segment two DEC net router have priority set to hundred the node addresse are 1 .1 and 1.2 resp? which router will became designated router? Answer: Options 1.1, 1.2, more information required

30. Which file contains the dos kernel? answer config, system

31. Which driver must be loaded in config system to enable power managment on a laptop computer? Answer power.ini

32. The upper memory area is located options b/w 640K and 1024K, above 1 MEG, anything above 1024K, b/w 512K and 840K

33. In a multi user os. 20 requests are made to user particular requests on per average probalitliy tht no requests are made in 45 min?

34. In a paged memory the page hit ratio is 0.35. the time required to to acess the page in secondary memory =100 ns. the time required to acess the page in primary is 10 ns the average time required to acess the page is?

35. If n is natural number the 'n' (n+1)(2n+1) is always divisible by options 4, 5, 6, 7?

36. If 35% of a number is 140 then 67.5% of the number is?

37. If in an A.P. the third term is the 4 time of the 1st term an the 6th term is 17th then its 10th term is ? option 20,23,29,31

38. If a slaesman gives a discount of 20% from the listed price of a T.V. he makes 20% percent of profit if a disount of 10% is given on listed price then his profit will? Answer 35%

39. The length of a side of a square is x=2 the length of equilateral trianlge is 2x if the square and the trianlge have equal parameter find the value of x?

40. It takes mr. Kartik y hrs to complete a manuscript after 2 hrs. He cold away what fraction of the assignmnet was left incomplete? option (y-2)/y, (y-1)/y, (y-3)/y, (y-5)/y

41. A student divide a number by 2/3 when he required to multiply by 3/2 calculate the percentage error answer 0%

42. A dishonest shopkeeper professes to sell pulses at cost price but he uses a false weight of 950 gm for a Kg his gain is ____ %?

43. If a side of a square is increased by 5 cm the area increased by 165 square cm the side of the square is?

44. Ramu spent 35000 in buying the raw material rupees and 40000 in buying machinery and 20% ofthe total amoun he had cash with him what was the total?

45. If x % of y = z then what % of z is x?

46. Light glows for every 13 sec how many times it will glow b/w 1:57:58 and 3:20:47?

47. If 820+r+s-640=342 and if r is 25 then s is? Answer: 137

48. If total distance of a journey is 120 Km if one goes by 60Km/hr and and comes back in 40kmph what is the average speed?

49. The sum of infinite number of G.P . series is 23 the sum of their square is 69 then theier common ratio is? rest 10 Q are of verbal resoning and rearrange the sentence and find errors.