AP ICET 17 Sep 2021 Shift 1 Paper

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Question : 171 of 200
 
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Two persons ' A ' and ' B ' together can finish a piece of work in 16 days while ' B ' and ' C ' together can complete the same work in 20 days. If ' A′,′B′, ' ' C ' work together, the same work is completed in 12 days, then the number of days required for ' A ' alone to complete the work is
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