Time & Work · Question 23 · Medium
Arjun is 25% more efficient than Bhavesh. Bhavesh alone can finish a job in 15 days. In how many days can they finish it together?
- 6 2/3 days
- 6 days
- 8 1/3 days
- 7 1/2 days
Answer and explanation
Answer: A. 6 2/3 days
Explanation: Arjun's rate = 1.25 × 1/15 = 1/12 per day. Together: 1/12 + 1/15 = 9/60 = 3/20 per day, so they need 20/3 = 6 2/3 days.
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