# Simple Equations (IMO- Mathematics Olympiad (SOF) Class 7): Questions 26 - 33 of 83

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## Question number: 26

» Simple Equations

Appeared in Year: 2012

MCQ▾

### Question

If of a number is 45, What is of the same number?

### Choices

Choice (4) Response

a.

5

b.

25

c.

30

d.

81

## Question number: 27

» Simple Equations

MCQ▾

### Question

A number is subtracted by 3 and the difference is multiplied by 8. If 14 is added from the product and sum is divided by 3, the result is equal to. The number is ________.

### Choices

Choice (4) Response

a.

14

b.

10

c.

19

d.

16

## Question number: 28

» Simple Equations

MCQ▾

### Question

In three- digit number, hundred’s digit is thrice the unit’s digit and the ten’s digit is half of the unit’s digit. The original number is ________

### Choices

Choice (4) Response

a.

882

b.

812

c.

612

d.

622

## Question number: 29

» Simple Equations

MCQ▾

Simplify:

### Choices

Choice (4) Response

a.

12

b.

-54

c.

-34

d.

24

## Question number: 30

» Simple Equations

MCQ▾

### Question

The average of andis. The value of Z is ________

### Choices

Choice (4) Response

a.

61

b.

62

c.

59

d.

60

## Question number: 31

» Simple Equations

MCQ▾

### Question

What is the value of that makes the following expression true?

### Choices

Choice (4) Response

a.

-4

b.

-5

c.

3

d.

5

## Question number: 32

» Simple Equations

MCQ▾

### Question

The present age of A is twice that of B. 20 years from now, age of A will be times that of B. The present ages of A and B (in years) respectively, is ________.

### Choices

Choice (4) Response

a.

20, 10

b.

10, 20

c.

30, 20

d.

20, 30

## Question number: 33

» Simple Equations

MCQ▾

### Question

The average of 11, andis. The value of X is ________

### Choices

Choice (4) Response

a.

21

b.

14

c.

15

d.

17

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