sets problem

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sets problem

by marmar29 » Tue Feb 15, 2011 8:53 pm
hi folks !
who can help in solving ths problem
in a street of 150 houses , three different newspapers r delivered T,G,& M
of these 40 rcvs T, 35 rcs G & 60 rcv M
7 rcv T & G , 10 rcv G & M & 4 rcvs T & M
34 rcvs no ppr at all
how many rcvs all 3 ??
note if 7 rcvs T & G , this info, dsnt mean 7 rcvs T & G only
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by Anurag@Gurome » Tue Feb 15, 2011 9:49 pm
Let x houses receive all 3 newspapers.

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Then 150 = 34 + 29 + 7 + 4 + 18 + 10 + 46 + x
x = 2
So, 2 houses receive all the 3 newspapers.
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