in a big hostel,there r 1000 rooms. in that hostel only even no r used for room no'i.e. the room no r 2,4,6.........1998,2000.all the rooms have one resident each.one fine morning , the warden call all the resident & tell them 2 go back to their room as well as the m...
tanweer_ahmad Saysyeah this problem is from CL fundabook just look out for the answer at the back
dear tanweer ,
please check the date of the last post.no point in shaking up 9 month old threads.
Mods, pls lock..
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initially all doors are open.
hence they will be closed at the end when they are manipulated odd no of times.
i.e odd no. persons should enter or leave it......and hence should have odd no. of even factors
here all nos can be xpressed as ....
2^a*p^b..... or 2^a*p1^b*p2^c w...
Im back again:2gunfire: