"Amit and Sumit can plough a field in 4 days. Sumit alone can plough the field in 6 days.
Channel: Doubtnut
Date: 2020-04-05

"Amit and Sumit can plough a field in 4 days. Sumit alone can plough the field in 6 days. In how many days will Amit alone plough the field? 
a. `10\ d a y s`
b. `12\ d a y s`
c. `15\ \ d a y s`
d. `14\ d a y s`"