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The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. Distance travelled downstream in 12 minutes is

2809Easy DSSSB TGT Computer Science 0 replies

The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. Distance travelled downstream in 12 minutes is

  • A1.2 km
  • B5.4 km
  • C4.8 km
  • D3.6 km
Correct answer: D

Explanation

Downstream speed = 18 km/hr. Distance = 18 x 12/60 = 3.6 km.

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