There are chickens and rabbits in a pen. There are 12 heads and 32 legs in total. How many rabbits are there?
- A.4 ✓
- B.5
- C.6
- D.8
Explanation: If all 12 were rabbits, there'd be 48 legs — 16 too many. Each chicken instead of a rabbit removes 2 legs, so there are 16÷2=8 chickens and 12−8=4 rabbits. Check: 4×4+8×2=32.
Class 6 IMO Mathematics Olympiad practice · HOTS / Achievers · Multi-Concept Achievers
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