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IKMC 2012 - Grades 11-12 - Paper 01 - Self-study Question 9

IKMC · IKMC 2012 - Grades 11-12 - Paper 01 - Self-study

Question 9

A real number $x$ satisfies $x^3<64<x^2$. Which statement is correct?
  1. $0<x<64$
  2. $-8<x<4$
  3. $x>8$
  4. $-4<x<8$
  5. $x<-8$