Question

A tap can fill a cistern in 8 hours and another tap in 10 hours. How long will it to fill the tank if both taps are open together.
A) 2(4/9)hours
B) 4(4/9)hours
C) 5(4/9)hours
D) 7(4/9)hours

Answer 1

7(4/9)hours will it to fill the tank if both taps are open together
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