# IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 876 - 882 of 968

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## Question number: 876

Edit
MCQ▾

### Question

The length of a string between a kite and a point on the ground is . If the string makes an angle with level ground such that how high is the kite?

### Choices

Choice (4)Response

a.

b.

76.96m

c.

d.

44.96m

## Question number: 877

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MCQ▾

### Question

If and , then ________.

### Choices

Choice (4)Response

a.

- 1

b.

1

c.

0

d.

2

## Question number: 878

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MCQ▾

### Question

If and , then ________.

### Choices

Choice (4)Response

a.

- 1

b.

2

c.

1

d.

0

## Question number: 879

Edit
MCQ▾

### Question

An observer tall is away from a chimney. The angle of elevation of he top of the chimney from her eyes is the height of the chimney is________.

### Choices

Choice (4)Response

a.

0.52

b.

2.5

c.

1.45

d.

9.86

## Question number: 880

Edit
MCQ▾

### Question

The top of a broken tree has its top end touching the ground at a distance 9m from the bottom, the angle made by the broken end with the ground is Then length of broken part is________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 881

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MCQ▾

### Question

The top of a broken tree has its top end touching the ground at a distance 18m from the bottom, the angle made by the broken end with the ground is Then length of broken part is________.

### Choices

Choice (4)Response

a.

36

b.

24

c.

14

d.

12

## Question number: 882

Edit
MCQ▾

### Question

An observer tall is away from a chimney. The angle of elevation of he top of the chimney from her eyes is the height of the chimney is________.

### Choices

Choice (4)Response

a.

2.2

b.

2.5

c.

9.02

d.

1.45

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