# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 131 - 139 of 1040

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## Question number: 131

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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

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MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

180

b.

2500

c.

900

d.

3600

## Question number: 133

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MCQ▾

### Question

Which of the following is not a perfect square?

### Choices

Choice (4) Response

a.

12544

b.

23457

c.

100489

d.

5329

## Question number: 134

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MCQ▾

### Question

If , then the value of is________.

### Choices

Choice (4) Response

a.

5

b.

4

c.

8

d.

2

## Question number: 135

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MCQ▾

### Question

If , then the value of is________.

### Choices

Choice (4) Response

a.

7

b.

4

c.

3

d.

5

## Question number: 136

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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.

14

b.

13

c.

11

d.

12

## Question number: 137

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MCQ▾

### Question

The area of a square field is sq. m. The length of each side of the field is ________.

### Choices

Choice (4) Response

a.

2.50

b.

5.42

c.

2.30

d.

1.92

## Question number: 138

Edit
MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

3

b.

c.

d.

0

## Question number: 139

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MCQ▾

### Question

The square root of correct to two decimal places is

### Choices

Choice (4) Response

a.

2.86

b.

1.87

c.

2.88

d.

2.33