GRE Problem Solving Question 724

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Source: Magoosh

The sum of all the digits of the integers from 18 to 21 inclusive is 24 (1+8 + 1+9 + 2+0 + 2+1 = 24). What is the sum of all the digits of the integers from 0 to 99 inclusive?

  • A 450
  • B 810
  • C 900
  • D 1,000
  • E 1,100

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