If N = 1 + 11 + 111 + 1111 + …… + 111111111, then what is the sum – McqOptions

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1.	If N = 1 + 11 + 111 + 1111 + …… + 111111111, then what is the sum of the digits of N?
A.	45
B.	18
C.	36
D.	5
Answer» B. 18

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