# Aptitude [Tech Mahindra Placement]: Sample Questions 3 - 4 of 42

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## Question 3

Aptitude
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### Write in Short

What will be the next two terms of the following series?

7, 16, 12, 8,16, 10,9, ? , ?

### Explanation

Divide the whole sequence into three parts

(a) 1st , 4th and 7th term, i.e.. 7,8, 9

(b) 2nd , 5th and 8th term, i.e.. 16,16, ?

(c) 3rd , 6th and 9th term, i.e.. 12,10, ?

After diving series into three parts, first series is moving like this: 7, 8, 9,10, 11, …

Second series is moving like this: 16, 16,16, 16, …

Third series is moving like this: 12, 10,8, 6,4, …

So, next two terms will be 16 and 8.

## Question 4

Aptitude

### Question

MCQ▾

In a class of 150 students 55 speak English, 85 speak Telugu and 30 speak neither English nor Telugu. How many speak both English and Telugu?

Choice (4)

a.

20

b.

10

c.

12

d.

15

a.

### Explanation

• There are total 150 students in a class. Among which 55 speaks English, 85 speaks Telugu and 30 speaks neither English nor Telugu.
• We are asked to find the number of students who can speak both English and Telugu.
• There are students who can speak either English or Telugu or both.
• From 150 students 30 students are there who speaks neither English nor Telugu.
• So, 120 students are speaking either English or Telugu.
• Subtracting 120 from 140, we can find the students who can speak both English and Telugu.
• There are students who can speak both languages.

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