Prelims-Aptitude&C

1. P gives Q and R as many sweets as each of them has. Then Q gives P and R as many sweets as each of them has and finally R gives P and Q as many sweets as each of them has. If each of them finally had 24 sweets, then how many sweets did P start with?

• 39

• 21

• 12

• 24

In an examination, 80% of the candidates passed in English and 75% in Mathematics, 20% failed in both subjects and 86 failed only in Mathematics. Find the total numbers of candidates failed.

• 1720

• 688

• 44

• 430

1. Twelve men can complete 24 units of work in some days. If the volume of work is 100% more and the number of men is 33 % less, eight more days are required to complete the work. In how many days can fifty percent of the original number of men complete the original work?

• 8

• 4

• 12

• 6

If a rectangle is selected at random from a chessboard, what is the probability that it is a square?

• 34/540

• 17/108

• 1/2

• None of these

A man sitting beside me at a hotel ate idlis one after the other by ordering plate by plate. He said to me after drinking some water the last one I ate was my hundredth idli in last five days. Each day I ate 6 more than the previous day. Can you tell me how many he ate yesterday?

• 26

• 24

• 22

• 20

A three-digit number N leaves the same reminder upon dividing 68488 and 67516. How many possible values does N have?

• 8

• 6

• 5

• 4

Determine the output:

#include<stdio.h>

#define COST(x, y) float cost; cost = (x + y) * 0.06 ;

int main()

{

float x=2500, y=5000;

COST( x, y );

COST(1500, 2000.5);

return 0;

}

• 450.00

  210.03

• This program has wrong declaration of cost.

• This program has wrong assignation of values x and y.

• It will print garbage values.

What is the result of above function?

void add(int a, int b)

{

int c;

c = a + b;

add (1,1);

}

• Sum of a,b,1

• Results in Buffer Overflow

• Results in Compiler Error

• Results in Stack Overflow

What will be the output of the following program?

void fun1()

{

printf("In fun1\n");

}

void fun2()

{

printf("In fun2\n");

}

main()

{

void (* ptr)();

ptr = fun2;

fun1( ptr() );

}

• compilation error

• Runtime error

• All is well

• linker error

What will be the output of the following program?

#include <stdio.h>

#define X 5+2

int main( void )

{

int i;

i = X*X*X;

printf("i = %d\n", i);

return 0;

}

• 70

• 50

• 343

• None of the above