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by theachiever » Fri Dec 21, 2012 10:43 pm
There are 19 batters on a baseball team.Every batter bats right handed only,left handed only,or both right handed and left handed.How many of the 19 batters bat left handed?

1.7 of the batters bat right handed but do not bat left handed.
2.4 of the batters bat both right handed and left handed.
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by aman88 » Fri Dec 21, 2012 11:22 pm
IMO A

*I solved this using the double set matrix method that Brent explained in a different post. Many thanks to him if he's reading this.

Thanks.
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by puneetkhurana2000 » Fri Dec 21, 2012 11:26 pm
Statement 1) 7 of the batters bat right handed but do not bat left handed.

This will give us the total batters who are left handed only plus those who are both. i.e. 19 - 7 = 12.
Sufficient!!!

Statement 2) 4 of the batters bat both right handed and left handed.

This just gives the overlap figure but no information about the left handed only. Not Sufficient!!!

Answer A.
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