CoCubes Placement Papers and CoCubes Questions

1. Percent profit earned when an article is sold for Rs. 546/- is double the percent profit earned when the same article is sold for Rs. 483/-. If the marked price of the article is 40% above the cost price, what is the marked price of the article?

2. A vessel contains 180 litres of mixture of milk and water in the respective ratio of 13 : 5. Fifty-four litres of this mixture was taken out and replaced with 6 litres of water, what is the approximate percentage of water in the resultant mixture?

3. By walking at 3/4 of his usual speed, a man reaches his office 20 minutes later than his usual time. The usual time taken by him to reach his office is

4. In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

5. A person borrows Rs. 3000 for 2 years at 5% p.a. simple interest. He immediately lends it to another person at 6 ¼ % p.a for 2 years. Find his gain in the transaction per year.

1. Unless he ____________ this office, I will not say anything.

2. Choose the explanation that catches the spirit of the idiom given in each question.

A Panacea

3. Select the most appropriate sequence to make the sentence meaningful.

1. neither House shall proceed further with the Bill,
2. if he does so, the houses shall meet accordingly
3. but the President may at any time after the date of his notification summon the Houses to meet in a joint sitting for the purpose specified in the notification and,
4. where the President has under clause (1) notified his intention of summoning the Houses to meet in a joint sitting,

4. If there is nothing to absorb the energy of sound waves, they travel on _______________, but their intensity ______________ as they travel further from their source

5. Choose the word which conveys the OPPOSITE meaning for the word:

Veneration

6. It is surprising indeed that he has an access ____ all the important celebrities of the country.

7. Anjali, together with her brother____ the guests of the party.

8. In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

It had been a delightful discovery on their wedding night that she has been frightened and unsure.

9. Choose an appropriate word from the options to suitably fill the blank in the sentence below so that the sentence makes sense, both grammatically and contextually.

The head of the pigeon had been______ away with the rifle.

10. In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.

Seeta said, "There is a cat outside the window."

1. A man said to a lady, "Your mother's husband's sister is my aunt." How is the lady related to the man?

2. What can you conclude from the given statement :

All dogs are rats

3. In a certain code, '256' means 'you are good' ; '637' means 'we are bad' and '358' means 'good and bad'. Which of the following represents 'and' in that code?

4. What will come in the place of blank in the following series?
111, 107.5, 104, ?, 97, 93.5

5. In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-' What is the answer to the following question?

27 x 3 ÷ 30 + 5 - 125 = ?

1. What is the output of the following program?

#include<stdio.h>

main()
{ 
   int x;
   float y;
   
   y = x = 7.5;
   printf("x=%d y=%f", x, y);
}

2. In the standard library of C programming language, which of the following header file is designed for basic mathematical operations?

3. What is the output of the following program?

#include<stdio.h>

void swap(int m, int n)
{
   int x = m;
   
   m = n;
   n = x;
}
main()
{
   int x=5, y=3;

   swap(x,y);
   printf("%d %d", x, y);
}

4. What is the output of the below code snippet?

#include<stdio.h>

main() 
{
   unsigned x = 5, y=&x, *p = y+0; 

   printf("%u",*p);
}

5. Which library function can convert an integer/long to a string?