Question
Quantitative Aptitude Question on Time and Work
A and B together can do a work in 30 days. they worked together for 20 days and then B left A alone finished the remaining work in 20 days. In how many days A alone can do the whole work?
A
60
B
54
C
50
D
40
Answer
60
Explanation
Solution
The correct answer is (A) : 60.