Some-time after the new workers were introduced, all of the newly intr – InterviewSolution

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1.	Some-time after the new workers were introduced, all of the newly introduced workers left the work due to heavy rain and the efficiency of the remaining workers reduced by 20% due to which the work finally got completed by delay of 60% of the scheduled time then how much work still remained incomplete by the end of the scheduled time?
Answer» `17 3/5%` `21%` `27 5/7%` `28%` ANSWER :C

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