Tuesday 1st August 2023
    Difficulty: Very hard

    Traffic cones (Quiz #256)

    Photo by <a href="https://unsplash.com/@lucian_alexe?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText">Lucian Alexe</a>
    Photo by Lucian Alexe (Unsplash)

    Traffic cones are cone-shaped markers placed on roads in order to redirect traffic in a safe manner.

    1. What is the minimum height of a traffic cone suitable for use where road speeds are 30mph to 50mph?

    2. If you turned a traffic cone measuring 50cm tall, with a base diameter of 20cm, upside down, and blocked the hole at the end, how much water could it hold (roughly)?

    3. Which statue in Glasgow is traditionally capped by a traffic cone, placed there by fun-loving members of the public?

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