A can complete a work in 10 days and B in 19 days. If they work together, the work will be completed in: MCQ with Answer and Explanation

Explanation:
A share = (1/30) / (1/30+1/22) ×100 = 42.31%.

Explanation:
Total work = LCM(8, 12, 6) = 24 units. Efficiency of (A+B) = 3, (B+C) = 2, (A+B+C) = 4. Efficiency of C = (A+B+C) - (A+B) = 4 - 3 = 1. Efficiency of A = (A+B+C) - (B+C) = 4 - 2 = 2. Combined efficiency of A and C = 2 + 1 = 3. Time taken by A and C together = 24 / 3 = 8 days.

Explanation:
Combined time for full work multiplied by 0.75 = 5.98 days.