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IKMC 2020 - Grades 5-6 - Set 2 - Self-study Question 12

IKMC · IKMC 2020 - Grades 5-6 - Set 2 - Self-study

Question 12

When Elise the bat leaves her cave, a digital clock shows 20:20. When she returns and is hanging upside down, she sees 20:20 on the clock again. How long has she been away from her cave?

Question illustration
  1. 3 hours and 28 minutes
  2. 3 hours and 40 minutes
  3. 3 hours and 42 minutes
  4. 4 hours and 18 minutes
  5. 5 hours and 42 minutes