How many integers between 1 and 10^21 are such that the sum of their digits is 2?

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by BTGmoderatorDC » Fri Sep 17, 2021 10:03 pm

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How many integers between 1 and 10^21 are such that the sum of their digits is 2?

A. 190
B. 210
C. 211
D. 230
E. 231

OA E

Source: Magoosh

Source: Beat The GMAT — Problem Solving | Fri Sep 17, 2021 10:03 pm

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