A person from the top of a hill observes a vehicle moving towards him – McqOptions

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1.	A person from the top of a hill observes a vehicle moving towards him at a uniform speed. It takes 10 minutes for the angle of depression to change from 45 to 60 . After this the time required by the vehicle to reach the bottom of the hill is
A.	12 minutes 20 seconds
B.	13 minutes
C.	13 minutes 40 seconds
D.	14 minutes 24 seconds
Answer» D. 14 minutes 24 seconds

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