IBPS Clerk Mains 2018 Paper

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Question : 80 of 190
 
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What will be speed of stream, if speed of boat in still water is 45 km/hr?
A. The time taken by boat to cover 240 km upstream is 4 hours more than time taken by boat to cover same distance in downstream.
B. Boat takes total 15 hours to cover 300 km in downstream and upstream.
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