A boat moves down stream at the rate of 8km/hr. and upstream at 4Km/hr. The speed of the boat in still waters is:

A boat moves down stream at the rate of 8km/hr. and upstream at 4Km/hr

1.	A boat moves down stream at the rate of 8km/hr. and upstream at 4Km/hr. The speed of the boat in still waters is:
A.	4.5 km/hr.
B.	5 km/hr.
C.	6 km/hr.
D.	6.4 km/hr.
Answer» D. 6.4 km/hr.

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A boat moves down stream at the rate of 8km/hr. and upstream at 4Km/hr. The speed of the boat in still waters is:

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