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May 22, 2015

Homework Help: MATHS

Posted by HELP!!! on Tuesday, May 21, 2013 at 6:32am.

Let N be the number that consists of 61 consecutive 3's.
Let M be the number that consists of 62 consecutive 6's.
What is the digit sum of NM?

Details and assumptions
The digit sum of a number is the sum of all its digits. E.g. the digit sum of N is 3+3+3++3+3+3=361=183

Answer not 555.

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