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IKMC 2019 - Grades 7-8 - Self-study Question 19

IKMC · IKMC 2019 - Grades 7-8 - Self-study

Question 19

Julio has two cylindrical candles with different heights and diameters. The first lasts 6 hours, the second 8 hours. He lights both at the same time; three hours later they have the same height. What was the ratio of their original heights?
  1. 4:3
  2. 8:5
  3. 5:4
  4. 3:5
  5. 7:3