Two pipe can fill a tank in 20 min will 30 minutes respectively.if both the pipes are opened then the tank will be filled in
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Answered by
4
One tap take 20 min.
Another take 30 min
Both open together it take
1/20 + 1/30
= 5/60
= 1/12
it takes 12 min to fill the tank
Another take 30 min
Both open together it take
1/20 + 1/30
= 5/60
= 1/12
it takes 12 min to fill the tank
Answered by
0
1/20 +1/30 = 1/12 = so tank will be filled in 12 minutes
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