A boat moves upstream at the rate of 1 km in 10 minutes and downstream at the rate of 1 km in 6 minutes. The speed of the current is ?

A boat moves upstream at the rate of 1 km in 10 minutes and downstream

1.	A boat moves upstream at the rate of 1 km in 10 minutes and downstream at the rate of 1 km in 6 minutes. The speed of the current is ?
A.	1 km/hr
B.	1.5 km/hr
C.	2 km/hr
D.	2.5 km/hr
Answer» D. 2.5 km/hr

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