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1. Karim and Babu can build a wooden table in 3 days. Babu can do it alone in 5 days. How many days would it take Karim to do this job alone?
- A. 0.2
- B. 0.2
- C. 0.2
- D. 0.2
Answer: Option B
Explanation:
1/A + 1/B = 1/3(A & B Work done per day is 1/A & 1/B)
1/5 + 1/B = 1/3
B = 7.5
1/5 + 1/B = 1/3
B = 7.5
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