# IMO- Mathematics Olympiad Class 8: Questions 66 - 71 of 1029

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

## Question number: 66

MCQ▾

### Question

Ram has Rs. 30 in the form of fifty paise and twenty five paise coins. He has twice as many twenty five paise coins as he has fifty paise coins. The number of coins of each kind are_.

### Choices

Choice (4) Response

a.

10 and 30

b.

20 and 50

c.

30 and 60

d.

15 and 30

## Question number: 67

MCQ▾

### Question

Two angles in a triangle in the ratio 2: 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: 68

MCQ▾

### Question

The length of a rectangle is 6 m more than twice of its breadth. The length and breadth of the rectangle if its perimeter is 162 m, is_.

### Choices

Choice (4) Response

a.

55m, 30m

b.

56m, 25m

c.

55m, 20m

d.

48m, 22m

## Question number: 69

MCQ▾

### Question

A motor boat covers a certain distance downstream in a river in 3 hours. It covers the same distance upstream in 3 and half hours. The speed of the water is 1.5 km/hr. The speed of the boat in still water is_.

### Choices

Choice (4) Response

a.

19.5 km/hr

b.

10 km/hr

c.

5 km/hr

d.

11 km/hr

## Question number: 70

MCQ▾

### Question

Of a number multiplied by of the same number make 25. The number is_.

### Choices

Choice (4) Response

a.

1

b.

100

c.

1000

d.

10

## Question number: 71

MCQ▾

### Question

There were only two candidates in an election. One got 72 % votes and was elected by a margin of 880 votes. The total number of voters were_.

### Choices

Choice (4) Response

a.

1000

b.

2000

c.

500

d.

3000

f Page