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A, B, C pipes can fill a tank in 12 hrs,...

A, B, C pipes can fill a tank in 12 hrs, 14 hrs and 16hrs respectively, If A and C are opened for 2.5 hours only and then A is closed while B opens. find in how many hours the tank gets full after A is closed?

A

`5(16)/(85)` hrs

B

`4(13)/(23)` hrs

C

`5(13)/(35)` hrs

D

`4(67)/(90)` hrs

Text Solution

Verified by Experts

The correct Answer is:
D
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