Amsterdam Red Light District

What is the significance of the number 20 in mathematics?

• It is an odd number.

• It is a perfect square.

• It is a composite number.

• It is a prime number.

Which of the following is a property of the number 20?

• It is a perfect cube.

• It is a prime number.

• It is an even number.

• It is divisible by 3.

Which of the following is NOT a factor of 20?

• 6

• 5

• 4

• 10

How is the number 20 used in practical scenarios?

• As a unit of time measurement.

• In counting and grouping items.

• In the decimal system as a base.

• In the binary number system.

In which of these fields is the number 20 commonly used?

• Music

• Medicine

• Sports

• Astronomy