Riddles for Adults

One brick weighs 1 kg plus half a brick. How much does one brick weigh?

A parent is 36 and a child is 9. In how many years will the parent be three times the child's age?

Two numbers add to 20. One number is 6 more than the other. What are the numbers?

You have 8 coins made of 10p and 20p coins. The total is £1.20. How many 20p coins are there?

I am a number. Double me and add 6 to get 30. What number am I?

A cube is painted on all sides and cut into 27 equal smaller cubes. How many small cubes have paint on exactly one face?

What is the maximum number of pieces from 3 straight cuts across a round cake, if each cut crosses all previous cuts inside the cake?

A drawer has black socks and white socks. How many socks must you take in the dark to guarantee a matching pair?

Two fathers and two sons go fishing. Each catches one fish, but only three fish are caught. How is that possible?

You have a 5-litre jug and a 3-litre jug. How can you measure exactly 4 litres?

A bag has red, blue, and green balls. How many must you take to guarantee two of the same colour?

You face north. Turn right, turn around, then turn left. Which way are you facing?

Why did the banana go to the doctor?

Why did the computer want a snack?

Why was the maths book worried?

Why are fish clever?

What is a cow's favourite music?

Why did the tomato turn red?

Why should you not tell an egg a joke?

Why could the bicycle not stand up?

Why are calendars popular?

Why did the ocean say hello?

Why did the clock get hungry?

What do you call a broken drum?