Logic puzzles, riddles, math puzzles and brainteasers - pzzls.com

Vandaag is het 11 August 2024

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# Letter folding - math puzzle

Difficulty:

Rating: 2.6/5.0

If you would fold a letter in two fifty times, how thick should the enveloppe be that can fit the letter? Assume that the thickness of a piece of paper is about 0.05 mm.

# Predicting share prices - math puzzle

Difficulty:

Rating: 2.6/5.0

 What will be the probability that the price of a randomly choosen share that can be bought on the euronext stock exchange in Amsterdam, starts with the digit 1?

# Four vagabonds - math puzzle

Difficulty:

Rating: 2.7/5.0

A very rich lady goes with a bag of coins (not more than 400) to the city. In the city she meets four vagabonds. She gives the first vagabond 4 coins and a quarter of the number of coins which is left in the bag. She applies the same procedure to the second, third and fourth vagabond (so division by 4 worked always). With how many coins did she leave home?

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