Logic Riddles & Brain Teasers for Kids – Page 2 - Educational Resources for Preschool, Kindergarten & Elementary Children

Can you connect all the dots using four continuous straight lines in one go, without lifting your pen from the paper?

You have two buckets – one with a 3-liter capacity and the other with a 5-liter capacity.

Using these buckets, you need to measure out exactly four liters of water. How would you do that?

In one room there are three light bulbs, in another room there are three light switches. How do we find out which switch turns on which light bulb if we cannot see the room with the light bulbs from the room with the light switches and we are only allowed to enter the other room once?

A man is standing in front of a portrait when someone asks him, "Whose picture is this that you are looking at?" He replies, "I have no siblings, but the father of the man in the picture is my father's son." Whose picture had he been looking at?

A man was asked his age and replied: "The day before yesterday I was 25, and next year I'll be 28." This is only possible on one day of the year. When was he born?

The students in geometry class were given the task of creating a square from a red cross symbol using as few cuts as possible. Sonia managed to do this with only two cuts. How did she do it?

Yesterday, John received $500 from his father and Tony received $200 from his father. Despite this, they only had $500 more than before, instead of $700. How is that possible?

A doctor in London has a brother who is a lawyer and lives in Vienna. This lawyer in Vienna has no brother. How is that possible?

Every child in the family has at least three brothers and at least three sisters. How many children must the family have at a minimum if these conditions are met?

I am an odd number. Take away one letter from my name and I become even. What number am I?

In the old days, peasants often consulted fortune tellers for advice about their future. One day, a young couple came to the village fortune teller. Their question was as follows: “We received a cow and a goat as part of our dowry.  Will our herd grow, and if so, how large will it be?” The old fortune teller, in accordance with her secrecy, answered: “Your herd will continue to grow until the number of goats multiplied by the number of cows equals their sum in the mirror.”

Do you know how large their herd will become, according to the fortune teller?

Three women came into the restaurant, each with their two daughters. They sat down at the table with seven chairs, so that each of them had her own chair. How is that possible?

Nine participants, who did not know each other beforehand, attended the seminar. The trainer kindly asked them to get to know each other, shake hands, and introduce themselves. Can you calculate how many handshakes there were during this personal introduction?

What number is five times greater than the sum of its digits?

Five workers will paint a building in 35 days. If 20 new workers join them after five working days, how many more days will it take them to finish the job?

Last summer, my niece visited me. Every afternoon, when it was hottest, we played a round of dominoes. The winner received a chocolate for each victory. After we had played the last round (and she was due to leave that evening), we added up all the wins and losses and found that she owed me 14 chocolates, even though she had won 9 rounds. Can you find out how many days my niece stayed by me?

Last week, during a walk in the park, we saw a total of 18 bicycles and tricycles. If we counted 45 wheels in total, how many tricycles were there?

The professions of Mr. Green, Mr. Blake, and Mr. Smith are: doctor, lawyer, and teacher. The teacher, an only child, earns the least. Mr. Smith, who married Mr. Green's sister, earns more than the doctor. Can you find out who has which profession?