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The speed of a boat when travelling down...

The speed of a boat when travelling downstream is 32 kmph whereas when travelling upstream it is 28 kmph . What is the speed of the boat in still water ?

A

27 Kmph

B

29 Kmph

C

31 Kmph

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
Speed of the boat is still water
`= (1)/(2)` (Rate downstream + Rate upstream)
=` (1)/(2) (32 + 28) = 30` kmph .
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Knowledge Check

  • A boat takes 8 hours to cover a distance while travelling up stream whereas while travelling downstream it takes 6 hours. If the speed of the current is 4 km/ph. What is the speed of the boat in still water ?

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    D
    Cannot be determined

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    `2.25`
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