PDF chapter test TRY NOW

Ram can finish a piece of work in 30 days. Mohan is 30% more efficient than Ram. How many days will it take for Mohan to do a piece of work?
 
The number of days Mohan takes to finish a piece of work is  days.
 
(Note: If the answer is a whole number, write as it is. If not, round off to the nearest integer and write it as a whole number.)