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There are 60 cars in a shop. these cars are either full size [#permalink]
16 May 2004, 11:08

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Question Stats:

0% (00:00) correct
0% (00:00) wrong based on 0 sessions

There are 60 cars in a shop. these cars are either full size or midsize or compact. 10 cars are red and 19 are blue. How many cars are full size?
1) No red or blue cars are of full size
2) The number of full size cars is greater than the sum of mid size
and compact cars

A) not sufficient because other 31 cars could be compact/midsize/fullsize
B) Not sufficient

If you combine both we know that 10+19 = 29 cars not full size. There are 31 cars left. SO no of full size has to be either 30 or 31. So we cannot determine

mirhaque , second statment says that number of fullsize is greater than mid/comp so number of fullsize cars has to be greater than 30 _________________