Logic Riddles

logic riddles
Logic riddles or puzzles requires the use of logical deduction to solve. Logic Riddles can be fun when solved in group of friends, families mainly kids. 100+ Logic riddles listed below.

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Asked by Sachin on 19 Oct 2025


If we tie a Sheep to one peg, a circled grass is been eaten by the Sheep. If we tie the Sheep to two pegs with a circle on its neck, then an eclipse is eaten out of the grass by the Sheep. If we want an eclipse then we put two pegs and then put a rope in between them and the other end of the rope is tied up on the Sheep's neck.

How should we tie the peg and the Sheep so that a square is eaten out from the garden grass? We only have one Sheep rope and the peg and the rings.

Asked by Sachin on 18 Oct 2025

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

Asked by Vinod on 17 Oct 2025


Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Asked by Sachin on 14 Oct 2025

Which digit occurred maximum times between the number 1 and 1000?

Asked by Neha on 13 Oct 2025

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Asked by Sachin on 08 Oct 2025


Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Replace Shaped Puzzle

Asked by Sherlock on 05 Oct 2025

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Asked by Mehmat on 04 Oct 2025

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Asked by Sachin on 03 Oct 2025


A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

Asked by Sachin on 02 Oct 2025

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.