# NCO- Cyber Olympiad (SOF) Class 9: Questions 123 - 125 of 522

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## Question number: 123

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MCQ▾

### Question

A man standing on a horizontal plane finds a bird flying at a distance of 100 m from him at an elevation of 30°. A woman standing on the roof of 20 m height building finds the angle of elevation of the same bird to be 45°. Both the man and the woman are on opposite sides of the bird. Find the distance of bird from the woman. ( )

### Choices

Choice (4)Response

a.

42.42 m

b.

42.32 m

c.

42.12 m

d.

42.22 m

## Question number: 124

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MCQ▾

### Question

The question consists of two sets of figures 1,2, 3 and 4 constitute the problem set while figures A, B, C and D constitute the Answer Set. There is a definite relationship between figures 1 and 2. Establish a similar relationship between figures 3 and 4 by choosing a suitable figure from the Answer Set

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 125

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MCQ▾

### Choices

Choice (4)Response

a.

89

b.

84

c.

99

d.

79

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