Solve:

Asked by nkrbasak | 16th Oct, 2010, 09:44: PM

Expert Answer:

,dear student,
let the first pipe fills the reservoir in x hrs.
so according to question,
 the second pipe  fills in x-10 hrs.
so work done by first pipe in 1 hr=
and
 work done by second pipe in 1 hr=
thier work together in 1 hr=..ATQ
so,
+=
solving, we get
x=30
hope this clarifies your doubt.
regards,
team
topperlearning

Answered by  | 17th Oct, 2010, 10:47: PM

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