sanjiv can do a piece of work in 15 hours while Rahim can do it in 12 hours how long will both take to do it working together
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Answer:
sanjiv can do a piece of work in =15hours
rahim can do it in =12 hours
time will be taken by both together=15+12
ans=27 hours
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Answer: Step-by-step explanation Work done by Sanjiv in 1 hour=1/15 Work done by Rahim in 1 hour=1/12 Work done by Sanjiv and Rahim in 1 hour=1/15+1/12 =(15+12)/180 =27/180 It will take 180/27 hours to do a piece of work I.e, 6.67 hours.
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