A and b can do a piece of work in 45 days and 40 days respectively. They began to the work together but a leaves after some days and then b completed the remaining work in 23 days. The number of days which a left the work was?
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Answer:
A-45DAYS
B-40DAYS
TOTAL WORK 360(LCM OF 45 AND 40)
b complete total work in 23 days
23×9=207
work done by
A+B=360-207=153
they dud in it 153/9+8=9
a left 9 days after
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