Question

A boat while travelling upstream covers a distance of 29 km at the speed of 6 km/h, whereas while travelling downstream it covers the same distance at a speed of 12 km/h. What is the speed of the boat in still water?
A) 6 kmph
B) 8 kmph
C) 9 kmph
D) 11 kmph

Answer 1

5

Q:

A boat while travelling upstream covers a distance of 29 km at the speed of 6 km/h, whereas while travelling downstream it covers the same distance at a speed of 12 km/h. What is the speed of the boat in still water?

A) 6 kmphB) 8 kmphC) 9 kmphD) 11 kmph

Answer:   C) 9 kmph 

Explanation:

Speed of boat in still water = 1/2 (12 + 6) = 9 kmph.

Answer 2

Hey mate ^_^

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Answer:
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Speed of the boat in still water

= $\frac{1}{2} (12 + 6)$

= $\frac{1}{2} (18)$

= $9$

Therefore,

Correct option C) 9 kmph

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