A is twice as efficient as B. Together they finish a work in 14 days. How many days will A alone take?
A. 28 days
B. 18 days
C. 42 days
D. 21 days
1 answer
Best answer
Answer: D. 21 days
Answer: (D) 21 days
Efficiencies A : B = 2 : 1. Total work = (2 + 1) × 14 = 42 units.
A alone = 42 ÷ 2 = 21 days.
Doubtly AI
· 27 Oct 2026
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