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\(x\) is a single-digit positive integer. If the units digit of \(x^2\) and the units digit of \((x+2)^3\) is same. How

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\(x\) is a single-digit positive integer. If the units digit of \(x^2\) and the units digit of \((x+2)^3\) is same. How

by Vincen » Wed Apr 28, 2021 2:06 am

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\(x\) is a single-digit positive integer. If the units digit of \(x^2\) and the units digit of \((x+2)^3\) is same. How many values of \(x\) are possible?

A. 2
B. 3
C. 4
D. 7
E. 9

Answer: C

Source: e-GMAT
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