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.

Lion and the Unicorn

Alice came across a lion and a unicorn in a forest of forgetfulness. Those two are strange beings. The lion lies every Monday, Tuesday and Wednesday and the other days he speaks the truth. The unicorn lies on Thursdays, Fridays and Saturdays, however the other days of the week he speaks the truth.

Lion: Yesterday I was lying.
Unicorn: So was I.

On which day did they say that?

Riddle Answer

Two Sailors

The captain of a ship was telling this interesting story: “We traveled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly.” How can that be possible?

Riddle Answer

Teaching Period

Three professors were discussing over how long they have been teaching. Andrew and Beyonce have been teaching for a total of thirty six years. Curt and Beyonce have been teaching for a total of twenty two years. Curt and Andrew have been teaching for a total of twenty eight years.

Can you find out how long have each of them been teaching?

Riddle Answer

Yacht Ladder

A yacht which is anchored in a port has a ladder hanging over the side.

It is low tide right now. The length of the ladder is 150cm, the distance between each rung is 30cm and the bottom rung touches the water.

The tide rises at a rate of 15cm an hour. When will the water reach the fifth rung?

Riddle Answer