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IKMC 2005 - Grades 9-10 - Self-study Question 28

IKMC · IKMC 2005 - Grades 9-10 - Self-study

Question 28

How many two-digit numbers have squares and cubes ending in the same digit?
  1. 1
  2. 9
  3. 10
  4. 21
  5. More than thirty