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Kannu Yadav

· started a discussion

· 1 Months ago

Solution (Question: 364682.0 )

Plz provide solution of all questions.

Question:

Three pipes fill a swimming pool, and working simultaneously first two pipes can fill the pool in same time as the third pipe takes working alone. Second pipe alone takes 5 hours less than first pipe and 4 hours more than third pipe. How much time the second and third take to fill the pool together? 

Options:
A)

3

B)

3.5

C)

4

D)

3.75

Solution:

Ans:(d) 


harshit

· commented

· 1 Months ago

1/x + 1/x-5 = 1/x-9..
solve dis x=3 or 15..
now 1/6+1/10== 3.75
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