Question 17
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A and B can finish a job in 12 days. With C's help they finish it in 8 days. How long would C alone take?
- A 4 days
- B 20 days
- C 24 days Correct
- D 16 days
Correct Answer: Option C
C = 1/8 − 1/12 = (3 − 2)/24 = 1/24
C alone = 24 days
Answer: 24 days
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