Pipe a alone can fill a tank in 8 hours. Pipe b can fill it in 6 hours. If both the pipes are opened and after 2 hours pipe a is closed, then the other pipe will fill the tank in
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A = 8
B = 6
total work = 48
efficiency of A and B
a = 6
b = 8
a+ b = 14 × 2 = 28
remaining = 10/8 = 5/4 = 1 and 1 by 4th
B = 6
total work = 48
efficiency of A and B
a = 6
b = 8
a+ b = 14 × 2 = 28
remaining = 10/8 = 5/4 = 1 and 1 by 4th
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