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

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by BTGmoderatorDC » Mon Oct 18, 2021 7:16 pm

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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

OA C

Source: e-GMAT

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Source: Beat The GMAT — Problem Solving | Mon Oct 18, 2021 7:16 pm

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