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SSC Sample Paper SSC CGL - Sample Paper-11

  • question_answer
    The digit in the unit?s place of \[[{{(251)}^{98}}+{{(21)}^{29}}-{{(106)}^{100}}+{{(705)}^{35}}-{{16}^{4}}+259]\]is

    A) 1                                 

    B) 4        

    C) 5                                 

    D) 6

    Correct Answer: B

    Solution :

    \[{{(251)}^{98}}=......1\] \[{{(21)}^{29}}=......1\] \[{{(106)}^{100}}=......6\] \[{{(705)}^{35}}=......5\] \[{{(16)}^{4}}=......6\] \[259=.....9\] \[\therefore \] Required answer \[=1+1-6+5-6+9\]                              \[=16-12=4\]


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