AP ICET 18th Sep 2021 Shift 2 Paper

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Question : 170 of 200
 
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'A', ' B ' and ' C ' together can do a piece of work in 10 days. After they worked for 4 days, ' A ' left the work and the remaining part of the work is completed by ' B ' and ' C ' in 10 more days than the original schedule of completion. The time (in days) needed for ' A ' alone to complete the whole work is
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