Q. A and B together do a work in 8 days. B and C do it in 10 days. C and A do it in 12 days. In how many days will A alone complete it?
β
Correct Answer: (D)
24 days
Explanation: Add all: 1/8 + 1/10 + 1/12 = 47/120. (A+B+C) = half = 47/240. Use A = (A+B+C)−(B+C).
Explanation by: Ankit Singh
Add all: 1/8 + 1/10 + 1/12 = 47/120. (A+B+C) = half = 47/240. Use A = (A+B+C)−(B+C).