Dev and Goyal together can do a piece of work in 14 days and Dev alone can do it in 27 days. In how many days can Goyal alone do it?
Let the total work = LCM of 14 and 27 = 378
Efficiency of Dev and Goyal together = unit per day
Efficiency of Dev alone = unit per day
Efficiency of Goyal alone = 27-14 = 13 unit per day
Time taken by Goyal alone to complete the same work = days
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60 Mins English English25 Questions50 Marks15 Mins English English100 Questions200 Marks60 Mins EnglishX alone can complete a work in 56 days and Y alone can do it in 72 days. both completed in:
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