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Question

The speed of the stream is 16 km/h. Boat ‘A’ covers 128 km distance against the stream in 4 hours and boat ‘B’ covers 70 km distance against the stream in 5 hours. The speed of boat ‘B’ in still water is how much percent of the speed of boat ‘A’ in still water?

A 52.5%

B 42.5%

C 62.5%

D 60.5%

E 69.5%

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FCI Assistant Grade 3

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