# Square and Square Roots (IMO- Mathematics Olympiad (SOF) Class 8): Questions 1 - 10 of 67

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## Question number: 1

» Square and Square Roots

MCQ▾

### Question

Squares of an even numbers is always________.

### Choices

Choice (4) Response

a.

Even

b.

Odd

c.

All of the above

d.

None of the above

## Question number: 2

» Square and Square Roots

MCQ▾

If , then can be

### Choices

Choice (4) Response

a.

12

b.

11

c.

13

d.

15

## Question number: 3

» Square and Square Roots

MCQ▾

### Question

Square root of 2401 is________.

### Choices

Choice (4) Response

a.

76

b.

78

c.

49

d.

87

## Question number: 4

» Square and Square Roots

MCQ▾

### Question

A number is multiplied by itself and then 15 is subtracted from the product. If the final result is 2545, then find the original number.

### Choices

Choice (4) Response

a.

13

b.

30

c.

32

d.

31

## Question number: 5

» Square and Square Roots

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.

4.00

b.

1.92

c.

2.00

d.

2.50

## Question number: 6

» Square and Square Roots

MCQ▾

### Question

The number must be subtracted from 13245 to get a perfect square is________.

### Choices

Choice (4) Response

a.

11

b.

20

c.

15

d.

10

## Question number: 7

» Square and Square Roots

MCQ▾

### Question

Find the smallest square number which is exactly divisible by 15, 25, and 30 is, ________

### Choices

Choice (4) Response

a.

100

b.

180

c.

500

d.

900

## Question number: 8

» Square and Square Roots

MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

0

b.

c.

d.

## Question number: 9

» Square and Square Roots

MCQ▾

### Question

If , then equals________.

### Choices

Choice (4) Response

a.

3

b.

1

c.

4

d.

2

## Question number: 10

» Square and Square Roots

MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

2

b.

c.

d.

Both b. and c. are correct

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