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1). 502). 753). 854). 90 |
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Answer» Time taken by Rajan and GEETA to complete the WORK = 6 days As we KNOW, work is directly proportional to time, w/t = constant Time taken by Ramesh to complete work = 15 days According to the question, 1/15 + 1/x = 1/6 Where x = time taken by Geeta to complete the same work, ⇒ 1/x = 1/6 – 1/15 ⇒ x = 10 days For finding the EFFICIENCY of Rajan, 1/10 + 1/y = 1/9 Where, y = time taken by Rajan alone to complete the same work, ⇒ 1/y = 1/9 – 1/10 ⇒ 1/y = 1/90 ∴ y = work efficiency of Rajan = 90 days |
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