# IMO- Mathematics Olympiad Class 8: Questions 105 - 111 of 1029

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## Question number: 105

MCQ▾

### Question

Of a number divided by of a square of same number make . The number is_.

### Choices

Choice (4) Response

a.

75

b.

50

c.

25

d.

20

## Question number: 106

MCQ▾

### Question

5 years ago a father’s age is 3 times greater to his son’s age. In present age of a son is 15 years then how old the father is?

### Choices

Choice (4) Response

a.

40 years

b.

35 years

c.

47 years

d.

44 years

## Question number: 107

MCQ▾

### Question

Find two consecutive negative integer, whose product is 90.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 108

MCQ▾

### Question

If of a number is 32 more than the original number, then the number is_.

### Choices

Choice (4) Response

a.

70

b.

60

c.

80

d.

25

## Question number: 109

MCQ▾

### Question

The length of a rectangle is 4 m more than twice of its breadth. The length and breadth of the rectangle if its perimeter is 140 m, is_.

### Choices

Choice (4) Response

a.

48m, 22m

b.

20m, 50m

c.

55m, 20m

d.

55m, 30m

## Question number: 110

MCQ▾

### Question

If the angles of a triangle are in the ratio 1: 2: 3, then the difference between the greatest and smallest angles is_.

### Choices

Choice (4) Response

a.

b.

c.

d.

60

## Question number: 111

MCQ▾

### Question

Two angles in a triangle in the ratio 3: 2. If the sum of these angles is equal to the third angle, then the third angle is_.

### Choices

Choice (4) Response

a.

b.

c.

d.

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