# IMO- Mathematics Olympiad Class 7: Questions 920 - 924 of 1012

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## Question number: 920

MCQ▾

### Question

The lengths of the sides of a triangle are 5 m, 1.2 decameter and 130 dm. Then its area is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 921

MCQ▾

### Question

The value of , when and is ________.

### Choices

Choice (4) Response

a.

10.43802

b.

c.

d.

12.04508

## Question number: 922

MCQ▾

### Question

If and , then value of =

### Choices

Choice (4) Response

a.

17

b.

65

c.

26

d.

13

## Question number: 923

MCQ▾

### Question

A well of diameter 150 cm has a stone parapet around it. If the length of the outer edge of the parapet is 660 cm, then the width of the parapet is ________.

### Choices

Choice (4) Response

a.

10 cm

b.

40 cm

c.

20 cm

d.

30 cm

## Question number: 924

MCQ▾

### Question

Use the clues below to label each cat.

The gray cat is not first.

The tabby cat is to the right of the white cat.

The white cat is not last.

The black cat is between the tabby and gray cats.

Which of the following lists has the cats in the correct order?

### Choices

Choice (4) Response

a.

Tabby, Black, White, Gray

b.

White, Tabby, Black, Gray

c.

White, Tabby, Gray, Black

d.

Tabby, Black, Gray, White

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