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The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:
1.2 km
1.8 km
2.4 km
3.6 km

Read Solution (Total 2)

Downstream speed = 15+3 = 18 kmph
distance travelled in 12 mins = 12*18/60 = 3.6 kms
12 years agoHelpfull: Yes(2) No(2)

Speed downstream=15+3=18
distance travelled=(12/60)*18=3.6km
8 years agoHelpfull: Yes(0) No(0)

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In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
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