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

Vandaag is het 12 December 2018

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# Bookworm - logic puzzle

Difficulty:

Rating: 2.4/5.0

 A bookworm eats a straight way through a encyclopedia consisting of ten parts. Each part has 1000 pages. The bookworm starts on the front cover of the first part and ends on the back cover of the last part. From how many pages did the bookworm eat?

# Slow matches - logic puzzle

Difficulty:

Rating: 2.4/5.0

Suppose you have ten slow matches (also called match cord) and a lighter. If a slow match is lighted, it will burn for exactly one hour. The slow matches do not burn at constant speed, in other words it can happen that the first half of the slow match is burned in 15 minutes, while the remaining part will take three quarters. How can you measure exactly 45 minutes using these slow matches, and what is the minimum of slow matches you need for this?

# Painting stairs - math puzzle

Difficulty:

Rating: 2.4/5.0