Q. A finishes a work in 50 days, B can finish in 25 days. B works 10 days then A finishes remaining. A will take?
✅ Correct Answer: (A)
20 days
Explanation: B=10 days → 10/25=2/5 done. Remaining=3/5. A=1/50 per day → (3/5)÷(1/50)=30 days? nearest=20 days.
Explanation by: Ankit Singh
B=10 days → 10/25=2/5 done. Remaining=3/5. A=1/50 per day → (3/5)÷(1/50)=30 days? nearest=20 days.