Time taken by a boat to cover 162 km each in downstream and in upstream is 14 hours and 24 minutes I...........

Quantitative Aptitude(IBPS CL) Boats and Streams

Time taken by a boat to cover 162 km each in downstream and in upstream is 14 hours and 24 minutes. If speed of stream is 6 km/hr., then find the time taken by boat to cover 240 km in upstream.

$7\frac{1}{3}\: hours$

$18\frac{2}{3}\: hours$

$9\frac{1}{3}\: hours$

$16\frac{2}{3}\: hours$

$13\frac{1}{3}\: hours$

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Explanation:

Correct answer(5)

Let speed of boat in still water be x km/hr.

ATQ,

$\frac{162}{x+6}+\frac{162}{x-6}=\frac{72}{5}$

x=24 kmph

Required time = 240/(24-6)=

$13\frac{1}{3} \: hours$

By: Munesh Kumari

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Time taken by a boat to cover 162 km each in downstream and in upstream is 14 hours and 24 minutes I...........

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Explanation:

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