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

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## Question 3

### Write in Short

Short Answer▾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) 1^{st} , 4^{th} and 7^{th} term, i.e.. 7,8, 9

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

(c) 3^{rd} , 6^{th} and 9^{th} 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

### 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?

### Choices

Choice (4) | |
---|---|

a. | 20 |

b. | 10 |

c. | 12 |

d. | 15 |

### Answer

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.