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.

Frost on Windows

Ben was found dead in his study by Peter. Peter recounted his dismal discovery to the police.

“I was walking by Ben’s house when I thought I would just pop in for a visit. I noticed his study light was on and I decided to peek in from the outside to see if he was in there. There was frost on the window, so I had to wipe it away to see inside. That is when I saw his body. So I kicked in the front door to confirm my suspicions of foul play. I called the police immediately afterward.”

The officer immediately arrested Peter for the murder of Ben. How did the officer know that Peter was lying?

Riddle Answer

Horse for Sale

A man decides to buy a nice horse. He pays $600 for it and he is very content with this strong animal. After a year the value of the horse has increased to $700 and he decides to sell the horse. But a few days later he regrets his decision so he buys back the horse again. Unfortunately he has to pay $800 to get it back so he loses $100. After another year of owning the horse he finally decides to sell the horse for $900. What is the overall profit the man makes?

Riddle Answer

One Egg Left

Jack is a farmer and owns a chicken farm. One day, he took a basket of fresh eggs to the market to sell.

The first person bought half of all the eggs in the basket and half an egg. Then, the second person bought half of the remaining eggs and half an egg. Later, the third person bought half of the remaining eggs and half an egg.

Now Jack’s basket has only 1 egg left. If no eggs were broken in the process, how many eggs did he originally have in his basket?

Riddle Answer