A can do a piece of work in 6 days. B is 25% more efficient than A. How long would B alone take to finish this work ?

A. $${\text{ 4}}\frac{4}{5}{\text{ days}}$$

B. $${\text{ 3}}\frac{1}{3}{\text{ days}}$$

C. $${\text{ 5}}\frac{1}{4}{\text{ days}}$$

D. $${\text{2}}\frac{2}{3}{\text{ days}}$$

Answer: Option A

Solution(By Examveda Team)

	A	:	B
Efficiency →	100%	:	125%
	4	:	5
Time	5	:	4
	×1.2↓		↓×1.2
Actual time	6 days		$${\text{4}}\frac{4}{5}$$ days