Two pipes a and b can fill a tank in 12 and 24 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?
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4
it will take 8 min to open
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6
Answer:
Step-by-step explanation:
Pipe A Pipe B
12 minutes 24 minutes
Assume total work as 24 units.
Then work capacity of A & B would be:
A= 24/12 = 2 units
B= 24/24= 1 unit
Capacity of A+B= 3 units
Time taken to fill the tank will be =
24/3= 8 minutes
ivarun:
Let me know if you need clarification on any part.
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