Logic Riddle Challenge

Put your critical thinking skills to the test with these five logic riddles, designed to puzzle and delight.

riddlesbrain teasersproblem solvinglogic riddlespuzzle

Difficulty:MEDIUM

Questions5

CategoryRiddles & Brain Teasers

DifficultyMEDIUM

Progress

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Quiz Questions

Answer all questions below and test your knowledge.

1
There are three switches, but they are not labelled. Each switch corresponds to one of three light bulbs in a room. Each light bulb is either on or off. You can turn the switches on and off as many times as you want, but you can only enter the room one time to observe the bulbs. How can you figure out which switch corresponds to which light bulb?
Question 1
2
A woman has two coins that add up to 30 cents. One coin is not a nickel. What are the two coins?
Question 2
3
You are standing in a room with three doors. Behind one door is a beautiful palace, behind the second door is a fire-breathing dragon, and behind the third door is a room filled with treasure but also a deadly trap. There are three guards, one standing in front of each door. One guard always tells the truth, one guard always lies, and the third guard sometimes tells the truth and sometimes lies. You don't know which guard is which or which door leads to what. You can ask one question to one guard. What question should you ask to ensure you choose the door to the palace?
Question 3
4
You have eight balls, and one of them is slightly heavier or lighter than the others. You have a balance scale and can use it twice. How can you determine which ball is the heavier or lighter one?
Question 4
5
A bat and a ball together cost $1.10. The bat costs $1.00 more than the ball. How much does the ball cost?
Question 5