Math, asked by shalini3193, 1 year ago

A b and c thtee pipes attached to the cisturn a can fill in 20 min b in 30 min and c can empty in 15 min

Answers

Answered by CBSEMP
0
hey guys ur answer is below and I explained with i deas but it taken from my website

for Every 3 minutes volume of water filled --- 1/20 + 1/30 -1/15 = 1/60

So for 3 minutes 1 part will be filled out of 60 parts.

Total to Fill full tank is 3 * 60 = 180 mins = 3hours

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