Question
An aeroplane flying horizontally at a height of 3 Km.
above the ground is observed at a certain point on earth to subtend an angle of 60°. After 15 sec flight, its angle of elevation is changed to 30°. The speed of the aeroplane (taking √3 = 1.732) isSolution
The correct answer is B
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II. The one who likes Har...
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