Question
Quantitative Ability and Data Interpretation Question on Time and Work
A can built up a structure in 8 days and B can break it in 3 days. A has worked for 4 days and then B joined to work with A for another 2 days only. In how many days will A alone build up the remaining part of the structure?
A
10 days
B
9 days
C
12 days
D
None of these
Answer
None of these
Explanation
Solution
The correct option is (D) : None of these.