A can do a piece of work in 40 days . Acan do a work 8 days and remaining work comolete B in16 days
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8 days work of A=1/5
Remaing work=4/5
4/5 work done by 16 day
1 word done by 20 day
Together one day work=(1/40+1/20)=3/40
Total work done by =40/3=13.33 days.
Remaing work=4/5
4/5 work done by 16 day
1 word done by 20 day
Together one day work=(1/40+1/20)=3/40
Total work done by =40/3=13.33 days.
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