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Problem #54 · September 19, 2026

Divisibility rules

How many two-digit numbers are multiples of 44?
  1. A2525
  2. B2424
  3. C2222
  4. D2020

WORKED EXAMPLE

Solution

The smallest two-digit multiple is 1212, and the largest is 9696. The count of the numbers is (96−12):4+1=84:4+1=21+1=22(96-12):4+1=84:4+1=21+1=22.
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