Correct Answer - Option 2 : 22
Given:
A is 50% more efficient than B.
B can complete a work in 33 days.
Formula used:
Total Work = Efficiency × Days
Calculation:
50% more = + ½
That is, if efficiency of B = 2 then efficiency of A = 2 + 1 = 3
⇒ EA = 3, EB = 2
∴ Total Work by B = Efficiency × Days = 2 × 33 = 66
∴ Time taken by A to complete the same work = 66 / EA = 66/3 = 22 days.