A is 25 percent more efficient than B. If together they can complete a piece…
2024
A is 25 percent more efficient than B. If together they can complete a piece of work in 50 days. In how many days A working alone can complete the work ?
- A.
90
- B.
180
- C.
50
- D.
150
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Correct answer: A
Let B's daily work be 100 units. Since A is 25% more efficient, A's daily work is 125 units.
Combined daily work = 100 + 125 = 225 units.
Total work in 50 days = 50 × 225 = 11,250 units.
Time for A alone = 11,250 / 125 = 90 days.