Question

0
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Tap A alone can fill a tank in 40
minutes. If worked along with tap B,
the tank was filled in 30 minutes.
Find the time in which the tap B
alone can fill the tank.
​

Answer 1

Answer:

Hey mate here is your answer

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

quantity of water filled by tap A in one minute

= 1/40

quantity of water filled by tap A & B in one minute

= 1/30

quantity of water filled by tap B in one minute

= 1/30 - 1/40

= (40 - 30)/120

= 10/120

= 1/20

Time taken by tap B to fill a tank alone

= 1/(1/20)

= 20 minutes

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