Aptitude [TCS Placement]: Sample Questions 114 - 116 of 174

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Question 114

Aptitude
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Short Answer▾

Two pipes A and B can fill a tank in 24 min. and 32 min. respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 minutes?

Explanation

  • Pipe A can fill the tank in 24 minutes, while B can fill it in 32 minutes.
  • let՚s say both pipes are opened simultaneously for x minutes.
  • After x minutes B pipe is closed and remaining part will be filled by A alone.
  • Whole tank is filled in 18 minutes.

  • So, B pipe should be closed after 8 minutes so that tank will be full in 18 minutes.

Question 115

Aptitude

Question

MCQ▾

The ratio of the ages of Jaya and Ravi is . After 8 years, their ages will be in the ratio of 1: 2. What will be the difference in their present ages?

Choices

Choice (4)

a.

24

b.

32

c.

26

d.

29

Answer

a.

Explanation

Ratio of ages of Jaya and Ravi is .

Let Jaya՚s age = 2x and Ravi՚s age = 5x.

After 8 years, their ages will be in the ratio of . ‎

So, Jaya՚s age years‎So, Ravi՚s age years

We are asked to find the difference between their ages, years

Question 116

Aptitude
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Short Answer▾

Find the next term of the following series:

0, 6, 24,60, 120, ________

Explanation

First term of the series is 0, i.e..

Second term of the series is 6, i.e..

Third term of the series is 24, i.e..

Fourth term of the series is 60, i.e..

Fifth term of the series is 120, i.e..

Looking at the analogy, we can find the next term.

It will be

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