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A completes a work in 12 days. B completes the same work in 15 days. A started working alone and after 3 days B joined him. How many days will they now take together to complete the remaining work?

✔ Correct Answer: B. 5

The correct answer to the question “A completes a work in 12 days. B completes the same work in 15 days. A started working alone and after 3 days B joined him. How many days will they now take together to complete the remaining work?” is 5. This question belongs to Mathematics. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.

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