A and B can do a work in 18 days, B and C in 24 days, and A and C in 36 days. How many days will A alone take?
A. 72 days
B. 48 days
C. 36 days
D. 32 days
1 answer
Best answer
Answer: B. 48 days
Answer: (B) 48 days
Work = 72 units. A+B = 4, B+C = 3, A+C = 2 units/day. So A+B+C = 9 ÷ 2 = 4.5 units/day.
A = 4.5 − (B+C) = 4.5 − 3 = 1.5 units/day. A alone = 72 ÷ 1.5 = 48 days.
Doubtly AI
· 27 Oct 2026
AI-generated · not yet verified
Report
Was this answer helpful?
Thanks for the feedback.
Sign up free to save answers and ask your own doubts
Your answer
Log in or create a free account to answer this question.