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Mr. Kunal works as two times faster than Mr. Aman and takes 18 days less than to do a piece of work than Mr. Aman. Find out in how many days Mr. Aman can complete a work.1. 12 days2. 36 days3. 16 days4. 18 days |
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Answer» Correct Answer - Option 2 : 36 days Given∶ Mr. Kunal efficiency = 2(Mr. Aman's efficiency) Concept used: Efficiency is inversely proportional to Time Calculation∶ Let the Mr. Aman completes a work in x days Then, Kunal completes in (x/2) days According to question∶ ⇒ x - (x/2) = 18 ⇒ x/2 = 18 ⇒ x = 36 days ∴ Mr. Aman completes a work in 36 days. |
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