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5
Integer question, help requested!
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ETS Official Guide to GRE 3rd Edition. Page 233
Exercise 15: When the positive integer n is divided by 3, the remainder is 2, and when n is divided by 5, the remainder is 1. What is the least possible value of n?
My question is... is there a way to solve this other than plugging in guesses and trying different numbers out until you get closer to the right one? This seems time consuming, so I’m wondering if there’s a better way to go about it.
Thanks!
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