Question

five pipes can fill a tank in 2hours. in how many hours can 1 pipe fill the same tank?​

Answer 1

ANSWER-

10 hours.

REASONING-

5 pipes can fill a tank in 2 hours.

So 1 pipe can fill a tank in x hours.

so this is a case of inverse proportion.

so 5*2 = 1*x

x= 10 hours.

I hope it helps...