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number properties

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number properties

by sud21 » Thu Jan 12, 2012 4:29 am
If 300<X<400, is the tens digit of x greater than 5?
1). The units' digit of x is greater than 4
2). When x is added with 237, the hundreds digit will be equal to 6
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by neelgandham » Thu Jan 12, 2012 8:17 am
If 300<X<400, is the tens digit of x greater than 5?
1). The units' digit of x is greater than 4
X can be 366 or it can be 346. Insufficient to answer.
2). When x is added with 237, the hundreds digit will be equal to 6
X >363, so the ten's digit is always >6 Sufficient!

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by ArunangsuSahu » Thu Jan 12, 2012 8:38 am
(B)..Clearly..

(A) is Irrelevant
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