Question

There are three taps a, b and c which can fill a tank in 12hrs, 15hrs and 30 hrs respectively. If the tap a is opened first, after one hour tap b was opened and after 2 hours from the start of a, tap c is also opened. Find the time in which the tank is full

Answer 1

Answer:

you are division this sum ok

Step-by-step explanation:

answer was right