Question

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 min 20 sec
B 13 min
C 13 min 40 sec
D 13 min 40 sec
Practice Next

More Time Questions

Hey! Ask a query