# Mental Ability (NCO- Cyber Olympiad (SOF) Class 7): Questions 27 - 31 of 205

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## Question number: 27

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If () = (), then =?

### Choices

Choice (4) Response

a.

6

b.

8

c.

5

d.

3

## Question number: 28

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

300 liters of milk is divided in two parts having ratio X: 15, if the first part is 100 liters, find x.

### Choices

Choice (4) Response

a.

5.3

b.

48

c.

7.5

d.

50

## Question number: 29

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A certain distance is covered at a certain speed. If half of this distance is covered in triple the time, the ratio of the two speeds is

### Choices

Choice (4) Response

a.

6: 1

b.

1: 2

c.

1: 4

d.

2: 1

## Question number: 30

» Mental Ability » Basic Statistics

MCQ▾

### Question

What is the correct diagram for: School, student, teacher

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 31

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

H. C. F of 42, 63 and 140 is ________?

### Choices

Choice (4) Response

a.

7

b.

42

c.

21

d.

9

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