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IMAS 2011 — Upper Primary Grades 5–6 — Round 1 Question 2

IMAS · IMAS 2011 — Upper Primary Grades 5–6 — Round 1

Question 2

Lynne’s last class of the day starts at 2:30 pm. Each class lasts 45 minutes. When this class is over, what is the angle, the one less than $ 180^{\circ} $, which is formed by the hour hand and the minute hand of her watch?
  1. $ 90^{\circ} $
  2. larger than $ 90^{\circ} $
  3. Larger than $ 0^{\circ} $ and less than $ 90^{\circ} $
  4. $ 0^{\circ} $
  5. could not be determined