# IMO- Mathematics Olympiad Class 10: Questions 74 - 80 of 958

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## Question number: 74

MCQ▾

### Question

Rationalizing factor of is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 75

MCQ▾

### Question

A circular field has a circumference of 600 km. Two cyclists Sumeet and Samrat start together and can cycle at speeds of 15 km/hr and 20 km/hr respectively round the circular field. After how many hours will they meet again at the starting point?

### Choices

Choice (4) Response

a.

160 hrs

b.

90 hrs

c.

100 hrs

d.

120 hrs

## Question number: 76

MCQ▾

### Question

is equal to ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 77

MCQ▾

________

### Choices

Choice (4) Response

a.

48

b.

24

c.

96

d.

12

## Question number: 78

MCQ▾

is ________

### Choices

Choice (4) Response

a.

Not a real number

b.

An integer

c.

A rational number

d.

An irrational number

## Question number: 79

MCQ▾

### Question

Which of the following numbers has the terminating decimal representation?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 80

MCQ▾

### Question

Smaller number amongst and is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

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