Question

Kunal can do a work in 15 days. Bimal is 50% more efficient than Kunal. The number of days, Bimal will take to do the same piece of work is :

Answer 1

Kunal's 1 day's work = $\frac{1}{15}$

Bimal's 1 day's work = 150% of $\frac{1}{15}=\frac{1}{10}$

Therefore, Bimal can finish the work in 10 days.