Time & Work · Question 26 · Medium
Time & Work question 26
Hari does 40% of a job in 8 days and Isha does 25% of the same job in 6 days. Working together from the start, in how many days can they finish the whole job?
- 12 days
- 11 days
- 10 10/11 days
- 9 1/11 days
Answer and explanation
Answer: C. 10 10/11 days
Explanation: Hari's rate = 0.40 ÷ 8 = 1/20 per day; Isha's rate = 0.25 ÷ 6 = 1/24 per day. Together = 1/20 + 1/24 = 11/120 per day, so they need 120/11 = 10 10/11 days.
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