Question

A tank is filled by 3 pipes, second pipe take 5 hours

Q: Answer-A tank is filled by 3 pipes, second pipe take 5 hours more than first pipe and 5 hours less than thi...

Let the second pipe can fill tank in x hours So, first pipe fill tank in x - 5 hours and Third pipe fill tank in x 5 hours According to the question, Second pipe and third pipe together take 1 hour more time to fill the tank from first pipe. So time taken by second pipe third pipe together x ndash 5 1 hours x ndash 4 hours 1x 1x5 1x-4 x 5x x2 5x 1x-4 x ndash 4 2x 5 x2 5x 2x2 5x - 8x ndash 20 x2 5x x2- 8x ndash 20 0 x2 - 10x 2x ndash 20 0 x x ndash 10 2 x ndash 10 0 x ndash 10 x 2 0 x - 2, 10 So second pipe can fill the tank in 10 hours alone.

more than first pipe and 5 hours less than third pipe to fill the tank alone. If second and third pipe together take 1 hour more than first pipe to fill the tank then find out how much time second pipe will take to fill the tank alone?

A 10 hrs

B 8 hrs

C 12 hrs

D 15 hrs

E None of these