If A and B can do a piece of work in 8 days and B alone can do it in 12 days, how long will A take?
A16 days
B20 days
C24 days
D30 days
Explanation
A’s rate = 1/8 – 1/12 = (3 – 2) / 24 = 1/24. A takes 24 days.
Exam Relevance
- Topic: Work and Time
- Subtopic: Individual Work
No Comments