Question

A pipe fills 1/3rd of a tank in 10 min .in what time would it fill 5/6th of tank

Answer 1

It will take 25mins to fill 5/6 of the tank.

Answer 2

10 min ---- 1/3rd

1 min ----1/30

? min ----- 5/6

Let the min be x

$x = \frac{ \frac{5}{6} }{ \frac{1}{30} }$

$x = \frac{5}{6} \times \frac{30}{1}$

x = 25

The time taken is 25 min