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Ashish Pandey

· started a discussion

· 1 Months ago

didn't understand (Question:677361.0)

please provide video solution....

Question:

Two pipes can separately fill a tank in 20 hours and 30 hours respectively. Both the pipes are opened to fill the tank but when the tank is13 full a leak develops in the tank through which13 of the water supplied by both the pipes leak out. What is the total time taken to fill the tank ?

Options:
A)

12 hrs.

B)

16 hrs.

C)

18 hrs.

D)

15 hrs.

Solution:

Ans: (b)


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