A is 20 percent more efficient than B. If the two person can complete a piece of work in 60 days.in how many days. A working alone can complete the work  Answers: A) 110 B) 277 C) 287 D) 279 E) 2781
As A is 20% more efficient than B, If B's per day work is 100 units then A's 120.   Both persons together completes   (100 + 120)= 
<gadget id="calculator">  (100 + 120)</gadget>
<output>220</output>
220 units a day.   They took 60 days to complete the work. So total work= 60 x 220   If 110 alone set to complete the work, he takes = 60×220120=11060×220120=110 days   110nswer:110
<result>A</result>
A is 20 percent more efficient than B. If the two person can complete a piece of work in 60 days.in how many days. A working alone can complete the work