# Mental Ability (NCO- Cyber Olympiad (SOF) Class 7): Questions 10 - 15 of 205

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## Question number: 10

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If = 3125, then n=?

### Choices

Choice (4) Response

a.

20

b.

2

c.

6

d.

8

## Question number: 11

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

In an examination, one should get 16 % of the maximum marks to pass. A student obtains 100 marks and declared failed by 32 marks. The maximum marks are

### Choices

Choice (4) Response

a.

825

b.

640

c.

500

d.

1008

## Question number: 12

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Three friends divide rupees 300 among themselves in the ratio . The share of the first friend is________.

### Choices

Choice (4) Response

a.

Rs. 192

b.

Rs. 148

c.

Rs. 163.63

d.

Rs. 288

## Question number: 13

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Find four numbers in the ratio 1: 2: 2: 4 such that the sum of their squares is 625.

### Choices

Choice (4) Response

a.

4

b.

6

c.

2

d.

5

## Question number: 14

» Mental Ability » Basic Statistics

MCQ▾

### Question

Shyam travels 7 km to the north. Then he turns to the right and walks 3 km. Then again, he turns to his right and moves 7 km forward. How many km away is he from the starting point?

### Choices

Choice (4) Response

a.

13 km

b.

20 km

c.

3 Km

d.

10 km

## Question number: 15

» Mental Ability » Basic Statistics

MCQ▾

### Question

What is the correct diagram for: Food, Rose, Star

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page