Question

3 pipes of different force are used to fill a TANK.
It takes 6 hours to fill full tank

One fine day 3rd pipe stops after two hours & responsibility comes on first and second pipe to fill the remaining tank they took 7 more hours means total it took 9 hours to fill the tank

How much time it will take to fill tank fully if only 3 Rd pipe is used???​

Answer 1

Answer:

HI BUD !

Step-by-step explanation:

  Solution 3

Ratio of water filled by A,B,C per minute

=

1

30

:

1

20

:

1

10

=

2

:

3

:

6

Proportion of R any time  

=

6

2

+

3

+

6

=

6

11