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1). 1/42). 1/53). 4/104). 5/14 |
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Answer» A can COMPLETE 6/7th of the task in 12 DAYS A can complete the entire task in 14 days A’s rate of work is 1/14 B is 1.5 times as efficient as A B’s rate = 1.5 × A’s rate B’s rate = 3/2 × 1/14 B’s rate = 3/28 Work done by B in 1 day = 3/28 Work done by B in 7 days = 21/28 Work left = 1 – 21/28 = 7/28 = 1/4 ∴ 1/4th PART is left INCOMPLETE |
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