# IMO- Mathematics Olympiad Class 8: Questions 85 - 91 of 1029

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## Question number: 85

MCQ▾

### Question

Solution of the equation is_.

### Choices

Choice (4) Response

a.

b.

1

c.

d.

## Question number: 86

MCQ▾

### Question

Two angles in a triangle in the ratio 1: 3. 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.

## Question number: 87

MCQ▾

### Question

There were only two candidates in an election. One got 65 % votes and was elected by a margin of 900 votes. The total number of voters were_.

### Choices

Choice (4) Response

a.

1000

b.

3000

c.

2000

d.

500

## Question number: 88

MCQ▾

### Question

The denominator of a rational number is greater than its numerator by 2. If 2 is subtracted from the numerator and 3 is added to its denominator, the new number becomes. The original number is_.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 89

MCQ▾

### Question

Of a number added to of a same number make . The number is_.

### Choices

Choice (4) Response

a.

1

b.

5

c.

2

d.

7

## Question number: 90

MCQ▾

### Question

The two consecutive multiplies of 2 whose sum is 30 are_.

### Choices

Choice (4) Response

a.

12, 14

b.

9, 11

c.

11, 13

d.

14, 16

## Question number: 91

MCQ▾

### Question

Of a number subtracted from of a same number make . The number is_.

### Choices

Choice (4) Response

a.

5

b.

c.

1

d.

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