Q. A can complete a work in 14 days and B in 21 days. Their combined one-day work is:

(A) 5/42
(B) 1/7
(C) 3/14
(D) 2/21

✅ Correct Answer: (A) 5/42

Explanation: Combined rate = 1/14 + 1/21 = 5/42.

Published by Deepak Sahoo ⭐ 11.23K Points at 21-Jul-2026 06:20 am in Math

Explanation by: Deepak Sahoo

Combined rate = 1/14 + 1/21 = 5/42.

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