You find a ladder that has rungs made of various materials: wood, metal, and plastic. If you climb each rung according to the material's strength, in what order will you ascend?
Category: Brain · Difficulty: hard
Hint: Think about the relative strength of materials.
Answer
Plastic, wood, then metal
Explanation
Plastic has a lower strength than wood and metal, leading to the correct order.
This is a hard brain riddle — a tricky one that takes a little thought. The answer is Plastic, wood, then metal.
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