Mindbender: Rope ladder
There is a rope ladder hanging over the side of a ship. Each of the rungs of the ladder are a metre apart. The tide rises at the rate of…
Continue readingMindbender: Taxi!
Spot the error in this: “There was a taxi outside a hotel. A man came out, hit the taxi driver on the head, took all the money out of the…
Continue readingMindbender: The Candidates
There was a good job going in the office and the boss could not decide which of the three candidates should have it, each of them being worthy of it…
Continue readingMindbender: Waterlily
A water lily growing in a circular pond doubles in size every day. It takes thirty days to cover the whole pond. How long does it take to cover half…
Continue readingMindbender: Rearrange Coins
Place three silver coins and three copper coins in a row like this: Moving only two adjoining coins at a time can you in three moves, change it to this:…
Continue readingMindbender: River Crossing
A farmer has to transport a fox, a goose and a sack of grain across a river. The boat is so small that there is room only for him and…
Continue readingMindbender: Coke, joke, poke…
So you can spell “coke”, “joke”, “poke” but how do you spell the white of an egg? NEXT > [accordions id=”1145″]
Continue readingMindbender: Heaviest of 3
You have nine ball-bearings, all of the same size but one slightly heavier than the others, though not enough to be detected by holding them. You have some balance scales…
Continue readingMindbender: A&E
A man and his son were admitted unconscious to a local Casualty (Accident and Emergency) department after a car crash. The Casualty Doctor on duty took one look at them…
Continue readingMindbender: Nine Dots
[Republishing some of the old mind benders that were posted on the old site.] Without lifting pen from paper join these nine dots with four straight lines. NEXT > [accordions…
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