The units digit in the square of 431 is ………………… 

A) 3 

B) 7 

C) 0 

D) 1

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1 Answers

Correct option is (D) 1

\(\because\) Unit's digit in 431 = 1

\(\therefore\) Unit's digit in \((431)^2=1.\) \((\because\) Cyclicity of 1 is 1)

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