Answer: Option B : B Shortcut of last two digits: When the question is about finding the remainder when you divide a number by 100, what we actually need to find out is the last two digits, for which we have a direct shortcut. For an indepth explanation, please refer the demo tutorial 287=(210)8×27 (210)evevpowerwillalwaysendin..76 27 ends in ...28 Therefore 76x...28=28

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