NCO- Cyber Olympiad Class 9: Questions 123 - 124 of 410
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Question number: 123
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. ( )
Question number: 124
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