Q. A and B together take 24 days. B and C take 30 days, A and C take 40 days. Who is the slowest?
✅ Correct Answer: (C)
C
Explanation: A+B = 1/24, B+C = 1/30, A+C = 1/40. A+B+C = 1/16. C = (A+B+C) - (A+B) = 1/16 - 1/24 = 1/48 (slowest).
Explanation by: Kartik Sharma
A+B = 1/24, B+C = 1/30, A+C = 1/40. A+B+C = 1/16. C = (A+B+C) - (A+B) = 1/16 - 1/24 = 1/48 (slowest).