Sun	Mon	Tue	Wed	Thu	Fri	Sat
23	24	25	26	27	28	1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31	1	2	3	4	5

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Multiple Choice Questions

A boat running downstream covers 28 kms in 7 hours while for covering the same distance upstream it ...........

Quantitative Aptitude (Phase-1) Boats and Streams

A boat running downstream covers 28 kms in 7 hours, while for covering the same distance upstream it takes 4 hours. What is the speed of the boat in still water ?

4km/hr

4.5km/hr

5km/hr

5.5km/hr

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Explanation:

Solution:
Downstream=28/7=4km/hr
Upstream=28/4=7km/hr
Speed of the boat u=(4+7) /2
=11/2=5.5km/hr.

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A boat running downstream covers 28 kms in 7 hours while for covering the same distance upstream it ...........

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