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.

5 to 2 Squares Matchstick Puzzle

There are five squares formed by 12 matchsticks as shown in the figure. Can you remove just two matchsticks so that only two squares remain?

Riddle Answer

Chain Nailed to the Wall

There is a chain nailed to the wall. The chain is 10 feet long and the center of the chain dips down 5 feet from where each side of the chain is nailed to the wall. How far are the 2 ends of chain from each other?

Riddle Answer

Someone’s Mother Has 4 Sons

Someone’s mother has 4 sons: North, East, and West.

What is the name of the fourth son?

Riddle Answer

The Length of One Shoelace

The length of one shoelace is 20cm and half a shoelace.

What is the length of 2 such shoelaces?

Riddle Answer

12 Marbles Problem

You have twelve marbles that are identical in size, shape, and color. One of the marbles is heavier in weight than the rest. How can you find the heavier marble by using a balance scale only thrice?

Riddle Answer