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IMAS 2017 — Upper Primary Grades 5–6 — Round 1 Question 12

IMAS · IMAS 2017 — Upper Primary Grades 5–6 — Round 1

Question 12

The houses of Mary and Jerry are connected by a trail. One day, they started from their respective house at the same time, and walked towards the other's house. The speed of Mary is 1.5 times that of Jerry and they met 12 minutes later. On the next day, Mary left his house and walked to Jerry's house with the same speed. How long would he take to reach Jerry's house?

Question illustration
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  2. 18
  3. 20
  4. 24
  5. 30