# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 73 - 79 of 1040

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## Question number: 73

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MCQ▾

### Question

The value of for which is_.

### Choices

Choice (4) Response

a.

18

b.

35

c.

d.

## Question number: 74

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MCQ▾

### Question

A number 121 is divided into two parts in the ratio 6: 5. The product of the number is_.

### Choices

Choice (4) Response

a.

3211

b.

3750

c.

3630

d.

1550

## Question number: 75

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MCQ▾

### Question

Solution of the equation is_.

### Choices

Choice (4) Response

a.

5

b.

0

c.

1

d.

-5

## Question number: 76

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MCQ▾

### Question

A number 100 is divided into two parts in the ratio 3: 2. The product of the number is_.

### Choices

Choice (4) Response

a.

2400

b.

2700

c.

2600

d.

1500

## Question number: 77

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MCQ▾

### Question

A motor boat covers a certain distance downstream in a river in 1 hours. It covers the same distance upstream in 1 and half hours. The speed of the water is 2 km/hr. The speed of the boat in still water is_.

### Choices

Choice (4) Response

a.

11 km/hr

b.

12 km/hr

c.

5 km/hr

d.

10 km/hr

## Question number: 78

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MCQ▾

### Question

The perimeter of a rectangle is numerically equal to the area of rectangle. If width of rectangle is cm, then its length is_.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 79

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MCQ▾

### Question

Milan has Rs. 66 in the form of of fifty paise and twenty five paise coins in the ratio of 8: 6, the number of coins of each kind are_.

### Choices

Choice (4) Response

a.

90,50

b.

96,73

c.

88,72

d.

96,72