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What is the units digit of even integer n?

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by BTGmoderatorDC » Sun Aug 04, 2019 3:28 pm

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A

B

C

D

E

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What is the units digit of even integer n?


(1) n^2 and n^4 have the same units digit.

(2) n^1 and n^3 have the same units digit.

OA E

Source: Veritas Prep
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Source: — Data Sufficiency |

by Ian Stewart » Mon Aug 05, 2019 4:04 am
Both Statements will be true when the units digit of n is 0, 4 or 6, so the answer is E.
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