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.

100 Statements

There are hundred statements.

Statement 1: At least one of these statements is false.
Statement 2: At least two of these statements are false.
Statement 3: At least three of these statements are false.
Statement 4: At least four of these statements are false.

Statement 100: At least a hundred of these statements are false.

What is the maximum number of statements that can be true?

Riddle Answer

Delinquent Decision

Five children were playing kickball. One of the five broke a window. When questioned about the incident, each child made three statements of which two were true and one was false. The statements are given below.

1. I didn’t do it.
2. Sally will tell who did it.
3. One of us is in big trouble.

1. Joyce did it.
2. I didn’t do it.
3. I don’t even like to play kickball.

1. I didn’t do it.
2. Joyce and I are good friends.
3. Sally doesn’t know who did it.

1. Matt lied when he said I broke the window.
2. I never saw Vince before today.
3. I never broke a window in my life.

1. I saw Joyce break it.
2. I didn’t break the window.
3. I want to go home.

Who broke the window?

Riddle Answer

Burglary Report

The Johnsons have just reported a robbery. “All the wife’s jewels are missing. You’ll want to check inside for fingerprints,” Mr. Johnson said to the policeman, pointing to the broken window glasses on the outside of the house. The burglar presumably entered the house by breaking through the window.

The policeman noticed that the inside of the house had a number of very tiny pieces of window glass particles scattered around near the broken window area and replied, “That won’t be necessary. There’s been no burglary.” What made the policeman so sure?

Riddle Answer