Question

In one hour, a boat goes 12 km/hr along the stream and 6 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
A) 9
B) 8
C) 7
D) 7.5

Answer 1

the answer is option A

Answer 2

Step-by-step explanation:

Speed in water = Average of 'Speed in Upstream' and 'Speed in Downstream'

= 1/2 (12 + 6) kmph = 9 kmph.

Option A is correct answer.