# 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?

Choice (4)

a.

8

b.

12

c.

15

d.

9

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

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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