A collection has 640 stickers. 3/8 are round. Of the remaining stickers, 1/4 are triangular and the rest are rectangular. How many are rectangular?
- A.340
- B.200
- C.300 ✓
- D.240
Explanation: 640 × 3/8 = 240 round. Remaining 400: 1/4 are triangular (100), leaving 300 rectangular.
Class 6 IMO Mathematics Olympiad practice · HOTS / Achievers · Multi-Concept Achievers
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