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

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