Rakesh takes 12 days. Vipin is 60% more efficient, so Vipin's efficiency ratio =160:100=8:5. Time is inverse of efficiency, so Vipin's days =12×85=860=7.5=721 days.
CUET UG 2023 — General Test Arithmetic
Rakesh can do a certain job in 12 days. Vipin is 60% more efficient than Rakesh. How many days will Vipin alone take to do the same job ?
Held on 28 May 2023 · Verified 13 Jul 2026.
721
731
741
732
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