Crowds watching the Red Arrows performing flypast

What is the significance of the number 45 in mathematics?

• It is a perfect square.

• It is an even number.

• It is a composite number.

• It is a prime number.

Which of the following is a property of the number 45?

• It is a prime number.

• It is a multiple of 9.

• It is a perfect cube.

• It is divisible by 2.

Which of the following numbers is a factor of 45?

• 7

• 8

• 9

• 11

How is the number 45 used in real-world applications?

• As a unit of time measurement.

• In the calculation of angles.

• In the representation of binary data.

• As a standard unit of weight.

What is the sum of the digits in the number 45?

• 7

• 10

• 8

• 9