Q. A can complete a work in 15 days and B in 20 days. Their combined one-day work is:

(A) 7/60
(B) 1/10
(C) 3/20
(D) 2/15

✅ Correct Answer: (A) 7/60

Explanation: Combined rate = 1/15 + 1/20 = 7/60.

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

Explanation by: Deepak Sahoo

Combined rate = 1/15 + 1/20 = 7/60.

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