A, b and c can do a piece of work in 24, 30 and 40 days respectively. they start the work together but c leaves 4 days before the completion of the work. in how many days is the work done?
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A=24hrs B=30hrs C=40 but C leaves after 4hrs.
In 1hr work done by each:1/24,1/30,1/40 respectively.
The total work done after t hrs =1 therefore t(1/24+1/30)-4(1/40)=1
t(3/40)=11/10
t=14hrs 40minutes.
In 1hr work done by each:1/24,1/30,1/40 respectively.
The total work done after t hrs =1 therefore t(1/24+1/30)-4(1/40)=1
t(3/40)=11/10
t=14hrs 40minutes.
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