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IKMC 2007 - Grades 9-10 - Self-study Question 24

IKMC · IKMC 2007 - Grades 9-10 - Self-study

Question 24

A is the least number such that 10 A is a perfect square and 6 A is a perfect cube. How many positive divisors does A have?
  1. 30
  2. 40
  3. 54
  4. 72
  5. 96