A can complete the work in 15 days if he works for 8 hours a day. In order to complete the work in 12 days, for how many hours per day should he work?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 10 hours.
Total work = 15 × 8 = 120 hours
To finish in 12 days:
Required hours = = 10 hours