Logic Riddles

Logic riddles with answers involve looking at situations and making judgements about them by ruling out impossibilities. If you like solving maths puzzles, you will most probably like logic riddles as well.

1000 One Dollar Bills and 10 Envelopes

You are given 1000 one dollar bills and 10 envelopes. Put the bills into the envelopes in such a way that someone can ask you for any amount of money from $1 to $1000 and you can give it to them through a combination of the envelopes.

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25 Coins to Make a Dollar

I have 25 coins that are made up of dimes (10¢), nickels (5¢) and pennies (1¢). They add up to a dollar. How many coins of each do I have?

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Flat Tyre

A man drove all the way from New York to San Francisco only to discover at the end of the trip that he had a flat tyre from the very start. Yet his car was completely unaffected by it? How is this possible?

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Flour, Tern, Thirsty

What unusual property do the words FLOUR, TERN, and THIRSTY have in common?

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1 Meter High

You have a rope that will reach around the earth (+/- 40,000 km). If you put sticks of 1 meter high around the world and lay the rope on these sticks, how much longer will the rope need to be?

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