Riddles are a good stimulus for concentration, reasoning and memory. Plus they're fun. It's a way to exercise your brain by playing.
riddle 1
What three numbers, none of which are zero, give the same result, whether added or multiplied?
1, 2 and 3, because:
1 + 2 + 3 = 6 and 1 x 2 x 3 = 6
riddle 2
I belong to the month of December, not any other month. I am not a holiday. What I am?
The letter "d", because no other month has that letter.
riddle 3
I am your brother, but you are not my brother. How is this possible?
You are not my brother, because you are my sister.
riddle 4
I have a tail but I'm not a dog
I don't have wings but I know how to fly
If they let me go, I won't go up,
But I go out in the wind to play.
Who am I?
A kite.
riddle 5
— Good morning, ladies a hundred doves.
“We are not a hundred doves. It is us, as many as us, the fourth part of us, and with you, harpy eagle, a hundred birds are.
How is this possible?
How many are we? Since we don't know, we call it x.
As many as us, it refers to another group with the same amount, so it will also be x.
In math language:
Equating the denominators
Checking the value of x in the equation
True sentence.
riddle 6
A young woman has the same number of brothers and sisters. But each of her brothers has twice as many brothers as sisters. How many brothers and sisters are there in this family?
There are 4 girls and 3 boys in the family, that is, the girl has 3 brothers and 3 sisters (with her, there are 4 girls). So, from a brother's perspective, he has 2 brothers and 4 sisters.
riddle 7
A man lives on the top floor of a 20-story building. Every day he takes the elevator down to work. When he returns from work, he goes up to the 14th floor and continues on foot, except on rainy days. Why?
The man is a dwarf. To go down to the ground floor, he reaches the elevator button, but to go up, he only reaches the 12th floor button, so he has to go up the rest on foot. However, when it's raining, he takes the umbrella and, with its help, reaches the 20th floor button.
riddle 8
Pay attention to this sequence of letters: U D T Q C S S. Can you figure out what the next 3 letters are?
The letters O N D, because they are the initials of the numbers: One, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten.
riddle 9
A is B's brother
B is C's brother
C is the mother of D
What is the relationship between D and A?
A is D's uncle.
riddle 10
Ana had to leave her apartment in a hurry because of an emergency. Before leaving, she hid some money under the kitchen rug. When she returned, the money was gone. There were 3 people in the apartment when she was away: the neighbor who was fixing her TV; the cleaning lady was cleaning; and the painter painted the walls of the room. Who took the money?
The cleaning lady, because she was the only person who had to lift the rug to clean.
riddle 11
Mary's mother had four children. April, May and June were the first three. What is the name of the 4th child?
Mary. The riddle already gave this information at the beginning.
riddle 12
How many legs does a pair of ducks have?
They have 5, because each duck has 2 legs (2 + 2 = 4) and adding up with the paw (female of the couple), we have 5 legs.
riddle 13
If the day before yesterday is the 21st, which day is the day after tomorrow?
Day 25. Yesterday was the 22nd, the day before yesterday was the 21st, today is the 23rd, tomorrow is the 24th and the day after tomorrow is the 25th.
riddle 14
What goes up a chimney downwards but does not go up a chimney?
A umbrella. Because downwards, that is, closed, it fits in the chimney. The umbrella up, ie open, does not fit.
riddle 15
How can the number four be half of five?
The number 5 in Romans is V, which is half of the number 4 in Romans (IV).
riddle 16
What can run but never walk; has a bed but never sleeps; is born but does not die?
The river.
riddle 17
Two parents and two children return from the supermarket. But when they get home, only three people get out of the car. How is this possible?
They are grandfather, father and son.
There are two parents: the grandfather is the father of the father, the father is the father of the child.
There are two children: the father is the grandfather's son, the son is the father's son.
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