Only 6/10 Adults Can Solve These Insane Logic Questions

These puzzles are known to be some of the hardest logic puzzles to solve! Only 6/10 adults can wrap their heads around them, can you?

Lea Abelson
Created by Lea Abelson
On Oct 7, 2022
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Think you are a pro at logic puzzles? These puzzles will surely make your head spin! Are you up for the challenge?! Take this quiz to become the ultimate logic puzzle master!

1 / 10

A dealer bought an article for $7, sold it for $8, bought it back for $9, and sold it for $10. How much profit did he make?

2 / 10

Stephen was looking at a photo. Someone asked him, "Whose picture are you looking at?" He replied: "I don't have any brother or sister, but this man's father is my father's son." So, whose picture was Stephen looking at?

3 / 10

There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there?

4 / 10

Five people were eating apples, A finished before B, but behind C. D finished before E, but behind B. What was the finishing order?

5 / 10

Jack is looking at Anne. Anne is looking at George. Jack is married, George is not, and we don’t know if Anne is married. Is a married person looking at an unmarried person?

6 / 10

The knight always tells the truth, the knave always lies, and the spy can either lie or tell the truth. Alex says: "Cody is a knave.” Ben says: "Alex is a knight.” Cody says: "I am the spy.” Who is the spy?

7 / 10

A girl meets a lion who lion lies every Monday, Tuesday and Wednesday and a unicorn who lies on Thursdays, Fridays and Saturdays. “Yesterday I was lying,” the lion told the girl. “So was I,” What day is it?

8 / 10

You’re between the City of Lies (where everyone always lies) and the City of Truth (where everyone always tells the truth). There’s a person who lives in one of the cities but you're not sure which one. What question can you ask to find out?

9 / 10

The day before two days after the day before tomorrow is Saturday. What day is it today?

10 / 10

A man has 53 socks in his drawer: 21 identical blue, 15 identical black and 17 identical red. The lights are out and he is in the dark. How many socks must he take out to make 100 percent certain he has at least one pair of black socks

10
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What are your favorite logic puzzles?

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