86. If N=1+11+111+1111+……………..+111111111, then what is the sum of the digit’s of N?
a)45 b)36 c)18 d)5
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86. If N=1+11+111+1111+……………..+111111111, then what is the sum of the digit’s of N?
a)45 b)36 c)18 d)5
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