Question

If N = 1 + 11 + 111 + 1111 + ... +111111111, then what is the sum of the digit's of N?

A) 45 B) 18 C) 36 D) 5

Answer 1

Answer is 45

Because the sum of the given digits will be 1+2+3+4+5+6+7+8+9 = 45

Hope it helps

Answer 2

Answer:

45 is the correct answer.

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