97.The
speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr.
The distance travelled downstream in 12 minutes is:
[A]
1.2 km
[C]
2.4 km
[B]
1.8 km
[D]
3.6 km
Answer : [D]
Explanation :
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Speed
downstream = (15 + 3) kmph = 18 kmph
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Distance
travelled =
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18
x
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12
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km
= 3.6 km
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60
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