# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 7): Questions 25 - 33 of 122

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## Question number: 25

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Sakshi can do a piece of work in 10 days. Tanya is 15 % more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:

### Choices

Choice (4) Response

a.

15

b.

18

c.

8.5

d.

25

## Question number: 26

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Three friends divide rupees 624 among themselves in the ratio . The share of the third friend is________.

### Choices

Choice (4) Response

a.

Rs. 192

b.

Rs. 288

c.

Rs. 144

d.

Rs. 148

## Question number: 27

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If = 81, then n=?

### Choices

Choice (4) Response

a.

4

b.

8

c.

2

d.

6

## Question number: 28

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

9 % expressed as a fraction is ________?

### Choices

Choice (4) Response

a.

b.

4

c.

d.

10

## Question number: 29

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A number divided by 3 is 7 less than that number, what is the number?

### Choices

Choice (4) Response

a.

10.5

b.

15

c.

25

d.

20

## Question number: 30

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If () = (), then ( ) =?

### Choices

Choice (4) Response

a.

3

b.

1

c.

5

d.

4

## Question number: 31

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

8% expressed as a fraction is ________?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 32

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

7 % expressed as a fraction is ________?

### Choices

Choice (4) Response

a.

b.

c.

10

d.

## Question number: 33

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Which of the following is in descending order?

### Choices

Choice (4) Response

a.

b.

, ,

c.

, ,

d.

None of the above

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