Q. A person is walking at the rate of 3 km/hr, the rain appears to fall vertically. When he increases his speed 6 km/hr it appears to meet him at angle of 45 degree with the vertical. The speed of rain is :
(A) 3root2 km/hr (B) 3/root2 km/hr (C) 6root2 km/hr (D) 2root3 km/hr
Answers
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1
Option B is correct answer.
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3
hiiii
the answer is 3root2
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