Crack the Lock Riddle: Which 3-Digit Code Opens It? Answer: 738
The code is 738. Learn how the gold dots and rings rule digits in and out, and the order that makes code lock riddles quick to solve.
Riddle10 blog
Articles about number riddles
Three Level Scales Riddle: How Many Circles Balance the Last?
The answer is 5 circles. See how three level scales show that a square weighs 2 circles and a triangle 3, and why 2, 3 and 6 are wrong.
Melon Weight Riddle: 2 kg Plus a Third of Its Own Weight
The melon weighs 3 kg. The 2 kg is the other two thirds, so one third is 1 kg. See the slice method, the algebra and the usual wrong answers.
22 Logic, Number and Word Riddles With Answers
22 original logic, number and word riddles sorted from easy to hard: mazes, gears, code locks, number patterns and letter codes. Answers hidden.
How to Solve Riddles: A Step-by-Step Method
A seven-step method for solving riddles: read twice, split the clues, name the type, question plain words, and test every answer. Worked examples.