A person covers a distance in 6 minutes. If runs at a speed of 12 km per hour on an average. Find the speed at which he must run to reduce the time of journey to 5 minutes.

A person covers a distance in 6 minutes. If runs at a speed of 12 k

1.	A person covers a distance in 6 minutes. If runs at a speed of 12 km per hour on an average. Find the speed at which he must run to reduce the time of journey to 5 minutes.
A.	18 m/s
B.	4 m/s
C.	15 m/s
D.	10 m/s
Answer» C. 15 m/s

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A person covers a distance in 6 minutes. If runs at a speed of 12 km per hour on an average. Find the speed at which he must run to reduce the time of journey to 5 minutes.

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