A and B together can do a work in 10 days, B and C in 15 days, and C and A in 12 days. How many days will A, B and C take working together?

A. 9 days

B. 8 days

C. 7.5 days

D. 10 days

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc cgl Save WhatsApp Report

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Answer: B. 8 days

Answer: (B) 8 days

Work = 60 units. (A+B) = 6, (B+C) = 4, (C+A) = 5 units/day. Adding: 2(A+B+C) = 15, so A+B+C = 7.5 units/day.

Days = 60 ÷ 7.5 = 8.

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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