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IBPS RRB Officer Prelims 09 Sep 2017 Shift 2 Paper

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Question : 78

Total: 80

A dual-engine boat covered 95 km downstream in 5 hours. Later, one of the engines developed a snag and the boat covered the same distance upstream in 19 hours. By what per cent did the boat’s speed in still water reduce? (The stream flowed at a constant speed of 4km/hr)

40
60
50
68
2
3
25

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