one man can do a piece of work in 3 hour another can do the same piece of work in 2 hour how long will they take if they work together
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Answer:
6/5 hrs
Step-by-step explanation:
work done by first prsn in 1 hr= 1/3
wrk dn by scnd prsn in 1 hr= 1/2
if they both wrk together ,
work done in one hr by both of them = 1/2+1/3= 5/6
work done by both of them in 6/5 hrs= 5/6*6/5= 1
hence it will take them 6/5 hrs or 72 mins to complete the work together
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