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  2. The Unit digit in the expression (111
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The Unit digit in the expression (111 + 122 + 133 + 144 + 155+ 166) is:

  • Option 1)

    1

  • Option 2)

    9

  • Option 3)

    7

  • Option 4)

    6

  • Option 5)

    0

Answers (1)
R rishi.raj

         1^{2}+2^{2}+3^{3}+4^{4}+5^{5}+6^{6}

1+4+7+6+5+6

29=9

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