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by kevincanspain » Sun Apr 25, 2010 2:34 pm
(1) if the hundreds digit of k + 150 is 4, 400 <= k + 150 < 500

thus 250 <= k < 350

the hundreds digit of k could be 3 or 4 NS


(2) tells us nothing about the hundreds digit NS



(T) according to (2) the remainder when k + 25 is divided by 100 is between 70 and 79 inclusive

Thus the remainder when k is divided by 100 is between 45 and 54 inclusive

k could be any integer from 250 to 254 or any integer from 345 to 349

NOT SUFF
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