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RRB Group D 17-Sep-2018 Shift 1 Solved Paper

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Question : 35

Total: 100

Two pipes fill a tank when working individually in 5 and 8 hours, respectively while a third pipe can drain the filled tank in 3.2 hours. If all the three pipes are turned on at the same time when the tank is empty, how long will it take to fill the tank completely?

3 days 8 hr s.
6hrs. 12mins.
9hrs. 48mins
3 days 3 hrs. 36 mins.

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