# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 121 - 130 of 1042

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## Question 121

### Question

MCQ▾

Squares of an even numbers is always________.

### Choices

Choice (4)Response

a.

Odd

b.

Even

c.

All of the above

d.

None of the above

## Question 122

MCQ▾

If , then can be

### Choices

Choice (4)Response

a.

13

b.

12

c.

11

d.

15

## Question 123

### Question

MCQ▾

Square root of 2401 is________.

### Choices

Choice (4)Response

a.

87

b.

78

c.

49

d.

76

## Question 124

### Question

MCQ▾

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.

30

b.

31

c.

13

d.

32

## Question 125

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

2.00

b.

2.50

c.

4.00

d.

1.92

## Question 126

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

15

b.

20

c.

11

d.

10

## Question 127

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

500

b.

180

c.

100

d.

900

## Question 128

### Question

MCQ▾

The value of is________.

### Choices

Choice (4)Response

a.

0

b.

c.

d.

## Question 129

### Question

MCQ▾

If , then equals________.

### Choices

Choice (4)Response

a.

4

b.

1

c.

3

d.

2

## Question 130

### Question

MCQ▾

The value of is________.

### Choices

Choice (4)Response

a.

2

b.

c.

d.

Both b. and c. are correct