Question

Ram and Arjun can do a piece of work in 12 days. Arjun alone can finish it in 30 days. In how many days can Ram alone finish the work?​

Answer 1

Step-by-step explanation:

Ram and Arjuna can do a piece of work 12 days

by Ram can one day. 1/12

Arjuna alone can do work 30

by one day 1/30

$\frac{1}{12} - \frac{1}{30} = \frac{5 - 2}{60} = \frac{3}{60}$

$\frac{1}{20} \: answer$

Ram can do work alone 20 days