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Salil and Aarav can do a piece of work in 45 and 40 days respectively. They began the work together but Salil leaves after some days and Aarav finished the

remaining work in 23 days. After how many days did Salil leave?


Sahil. 45days. 8 units/day 360 units Aarav. 40 days. 9 units/day 360 is LCM of 45 and 40 (360/45) =8 (360/40)=9 Let Sahil leaves after x days It means for x days sahil and aarav worked together X(8+9) + 9*23=360 Calculate x and u will get 9 as ur answer
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