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Ank Sa

· started a discussion

· 1 Months ago

WRONG ANSWER (Question: 259924.0 )

SHOULD BE 19 HRS ....

Question:

Pipe P can fill tank in 4 hrs and pipe Q can empty it in 6 hrs. If they are opened on alternate hours and pipe P is opened first then in how many hours, the tank shall be fill?

Options:
A)

12 hours

B)

1623    hours

C)

19 hours

D)

20 hours

Solution:

Ans: (c)

  

murari krishan

· commented

· 1 Months ago

u r wright
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