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George can do a work in 60 days. George and Paul can do the same work in 20 days.How much time will Paul take to complete the same work if works alone?
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- geoge one day work=1/60
geo+paul one day work=1/20
then george work=1/20-1/60=1/30
30 ans - 12 years agoHelpfull: Yes(20) No(0)
- 1/20 - 1/60 = 1/30
ans: 30 - 12 years agoHelpfull: Yes(4) No(0)
- PERSON DAYS PER DAY WORK
George 60 1
george&
paul 20 3
paul=(george+paul)-george=3-1=2
total work=60
per day wrk of paul=60/2=30
take lcm to get per day work - 12 years agoHelpfull: Yes(4) No(0)
- 1/20 - 1/60 = 1/30
so 30 days is ans. - 12 years agoHelpfull: Yes(2) No(0)
- Paul alone take 30 days..
(1/60)+(1/x)=(1/20)
x=30 - 12 years agoHelpfull: Yes(2) No(0)
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