If tap A and fill 2/5 of a tank in 12 hours and tap B can fill 1/6 of a tank in 6 hours how long will it take to fill the tank completely if both the taps are opened together.
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Answer:
16.6hr
Step-by-step explanation:
for 1 hr TAp A can fill = 1/3
for 2/5 of a tank can fill = 12hr
tap b will fill in 1/3 in = 1hour
time taken to complete tank = 30 ×36 / 30 + 36 =
= 16.6hr
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