a man can do a piece of work in 14 days while Sunita can do the same work in 21 days they started the work together but three days before the completion of the work a man left the work the total number of days to complete the work is
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Answer:
Sunita completes remaining work in 13.5 days
Step-by-step explanation:
take LCM of 14 and 21 . ie 42
man can do 3 units of work in day
Sunita can do 2 units of work in a day
total work is 42 units
they started working together, and worked for 3 days, number of units of work completed is
3*(3+2)=15 units
remaining work is 42-15 =27 units of work
remaining work is completed by Sunita
in 27/2 =13.5 days
Sunita completes remaining work in 13.5 days
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