In the grid shown, what fraction is NOT shaded?
- A.1/4 ✓
- B.1/3
- C.3/4
- D.2/3
Explanation: 9 of 12 squares are shaded, so 3 are unshaded: 3/12 = 1/4.
Class 6 IMO Mathematics Olympiad practice · Arithmetic · Fractions & Decimals
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