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# TOPIC: CPM Float questions

## CPM Float questions 8 years 3 months ago #6037

 Narayan Topic Author Visitor Hi All, www.oliverlehmann.com/pmp-self-test/75-free-questions.htm Im pretty confused with the questions of 18 & 31 related with Float & free float. My selection was wrong for both the questions. Can someone guide me on this. Thanks. Regards, Narayan Your e-mail address will never be displayed on the site. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.

## CPM Float questions 8 years 3 months ago #6039

 Puneet Singh Offline Fresh Boarder Posts: 13 Thank you received: 0 Q-31: 20 +8 +9=37 Please note that critical path(minimum total duration) is Activity 1-- Activity 3-- Activity 4 Activity 1 will take 10 days to complete Activity 3 will be finished on 8 day after start of Activity 2. It has F to F relationship with lead of 2 days,so it can start anytime but can only finish on 10-2 i.e 8th day. So as of now,we have duration of CP =28 Activity 4 will be finished on 37th day. 6 days + lag of 3 days =9 Sp CP duration= 28+9 = 37 Hope it clarifies. Q-10: Check the formulas for free float and total float and relate it to days. Total float= Late Start date – Early Start date or Late Finish date – Early Finish date If you choose to start your project from day 1 Free Float= ES of next Activity – EF of current Activity - 1( Free FLoat=9 , 22,23,24,25,26,27,28,29,30) Your e-mail address will never be displayed on the site. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.

## CPM Float questions 8 years 3 months ago #6063

 Todd Hammer Topic Author Visitor Make sure you first understand the difference in free float and total float. I found this to be helpful: pmstudycircle.com/2013/03/total-float-versus-free-float/ A quick google search on "float vs free float" will give you a lot of other resources. Your e-mail address will never be displayed on the site. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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