A can finish of piece of work in 15 days and B can di it in 10 days ,they worked together for 2 days and then B goes away .in how many days will A finish the remaining work
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A will cosume 20/3 days for the remaining work.
exp.
LCM of 15 and 10 is 30
therefore
efficiency of A =2 and for B=3
total work of A and B for 1 day is 2+3=5
for two days work it is 10 part
remaining work = total work - work done
30. -. 10
=20
as B left
hence for A it =(remaining work / A effcincy)
=20/3 days
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