Aptitude [TCS Placement]: Sample Questions 73 - 74 of 174

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Question 73

Aptitude

Question

MCQ▾

8 children and 12 men complete a certain piece of work in 9 days. If each child takes twice the time taken by a man to finish the work, in how many days will 12 men finish the same work?

Choices

Choice (4)

a.

8

b.

12

c.

15

d.

9

Answer

b.

Explanation

Chile takes twice the time taken by a man, i.e..

If there are less men more days will be required to complete the work. ‎

So, 12 men can complete the work in 12 days.

Question 74

Aptitude
Edit

Write in Short

Short Answer▾

Fill the missing term of the series.

9, 10, 11,13, 15, ________, 21,28

Explanation

  • Divide the given series into two parts of odd and even term series.
  • Odd term series: 9, 11,15, 21, …
  • Even term series: 10,13, ________, 28, …
  • The term which we want to find will follow even term series.
  • Here, first term and second term of the series are 10 and 13 respectively. Second term is incremented by 3 numbers, i.e.. Difference between them is + 3.
  • Third term needs to find out.
  • Fourth term of the series is 28.
  • Here, difference between two consecutive terms are increasing in order of + 3, + 6, + 9, + 12, …
  • So, Difference between second and third term will be + 6.
  • So, missing term will be

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