# IMO- Mathematics Olympiad Class 8: Questions 128 - 136 of 1029

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## Question number: 128

MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

0

b.

c.

d.

## Question number: 129

MCQ▾

### Question

If , then equals________.

### Choices

Choice (4) Response

a.

3

b.

1

c.

4

d.

2

## Question number: 130

MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

2

b.

c.

d.

Both b. and c. are correct

## Question number: 131

MCQ▾

### Question

The least two digit number, which is a perfect square is ________

### Choices

Choice (4) Response

a.

4

b.

16

c.

12

d.

9

## Question number: 132

MCQ▾

### Question

Find the smallest square number which is exactly divisible by 8, 12, 15, and 20 is, ________

### Choices

Choice (4) Response

a.

3600

b.

2500

c.

900

d.

180

## Question number: 133

MCQ▾

### Question

Which of the following is not a perfect square?

### Choices

Choice (4) Response

a.

100489

b.

5329

c.

23457

d.

12544

## Question number: 134

MCQ▾

### Question

If , then the value of is________.

### Choices

Choice (4) Response

a.

2

b.

5

c.

4

d.

8

## Question number: 135

MCQ▾

### Question

If , then the value of is________.

### Choices

Choice (4) Response

a.

3

b.

7

c.

4

d.

5

## Question number: 136

MCQ▾

### Question

A number is multiplied by half of itself and then 10 is added to the product. If the final result is 82, then find the original number.

### Choices

Choice (4) Response

a.

11

b.

14

c.

12

d.

13

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