Question

A pipe can fill a tank in 6 hours. another pipe can empty the tank in 12 hours.if both pipes are opened simultaneously, the part of tank filled by both pipes in 1 hour is

Answer 1

Given, A pipe can fill a tank in = 6 hours

Another pipe can empty in = 12 hours

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Part of tank filled together in 1 hour = 1/6 - 1/12

= (2-1) / 12

= 1/12

So part of tank filled in 1 hour together is 1/12.

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Answer 2

Answer:

Here is ur ans.  

Step-by-step explanation:

A pipe can fill a tank in = 6 hours

Another pipe can empty in = 12 hours

Part of tank filled together in 1 hour = 1/6 - 1/12

= (2-1) / 12

= 1/12

Hence the part of tank filled in 1 hour together is 1/12.

Hope it helps