Q.8 Smith and Ajit can complete a task in 12 days and 18 days, respectively. If they work together on the task for 4 days,
then the fraction of the task that will be left is:
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Step-by-step explanation:
Smith can complete a task in 12 days
which means he can compete 1/12 of a work in a day
similarly Ajit's work in a day is 1/18
and together their work
=1/12 +1/18= (2+3)/36= 5/36
Now if they work for 4 days
= 5/36× 4 = 5/9
therefore task left =1-5/9= 9-5/9= 4/9
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