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- Take total work as 1 or LCM.
- Find each one-day work rate.
- Combine rates as required.
Correct Answer: C
Correct Answer: C
Method / Topic: Time and Work
The answer is based on combined work rates.
Short Explanation
Detailed Explanation
Correct Answer: C
Method / Topic: Time and Work
A completes 1/12 of the work per day and B completes 1/18 per day. Their combined daily work rate is 1/12 + 1/18 = 3/36 + 2/36 = 5/36. In 4 days, they complete 4 × 5/36 = 20/36 = 5/9 of the work. Therefore, the correct
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Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Shortcut used, common trap, and the fastest solving route
- Take total work as 1 or LCM.
- Find each one-day work rate.
- Combine rates as required.
A can complete a work in 12 days and B in 18 days. How much work will they complete together in 4 days?
Explanation
Correct Answer: C
Method / Topic: Time and Work
The answer is based on combined work rates.
Short Explanation
Detailed Explanation
Correct Answer: C
Method / Topic: Time and Work
A completes 1/12 of the work per day and B completes 1/18 per day. Their combined daily work rate is 1/12 + 1/18 = 3/36 + 2/36 = 5/36. In 4 days, they complete 4 × 5/36 = 20/36 = 5/9 of the work. Therefore, the correct
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