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

IMAS · IMAS 2011 — Upper Primary Grades 5–6 — Round 2

Question 2

As shown in the diagram, some of the squares are painted black. If we wish to have 75% of the whole figure black, how many more squares must be painted black?

Question illustration
  1. 10
  2. 11
  3. 12
  4. 14
  5. 16