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IMAS 2013 — Middle Primary Grades 3–4 — Round 1 Question 17

IMAS · IMAS 2013 — Middle Primary Grades 3–4 — Round 1

Question 17

From a box of chocolate, Mickey takes out half the number of pieces and puts one piece back. Then he takes out half of the remaining number of pieces and puts one piece back. After he has done this a total of 5 times, only three pieces are left in the box. How many pieces of chocolate are there in the box initially?

Question illustration
  1. 158
  2. 78
  3. 38
  4. 34
  5. 18