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The unit digit in the square of the number \(166\) is?( )
A. \(2\)
B. \(4\)
C. \(6\)
D. \(8\)
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Question

The unit digit in the square of the number \(166\) is?( )
A. \(2\)
B. \(4\)
C. \(6\)
D. \(8\)

Answer

C
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Solution

The unit digit of the number \(166\) is \(6\)
\(\therefore\) the unit digit of the square of \(6\) will be \(=6\times 6=36\)
Thus, the unit digit in the square of the number \(166\) is \(6.\)
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