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Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open,in how many hours will the tank be filled ?
A. 2
B. 2.5
C. 3
D. 3.5

Read Solution (Total 2)

1/5+1/10+1/30=10/30=1/3. soo 3 hrs answer
11 years agoHelpfull: Yes(1) No(0)

Correct answer is C. 3 hrs
10 years agoHelpfull: Yes(0) No(0)

GENPACT Other Question

2, 5, 10, 17, 26, 37, 50, 64

A. 50
B. 26
C. 64
D. 37 A pump can fill a tank with water in 2 hours. Because of a leak, it took 2x1/3 hours to fill the tank. The leak can drain all the water of the tank in
A. 5 hours
B. 7 hours
C. 8 hours
D. 14 hours