Maths Challenge

If 1 USD = 0.85 EUR, how much is 50 USD in EUR?

• 40 EUR

• 50 EUR

• 42.5 EUR

• 45 EUR

Convert the decimal number 45 to binary.

• 101110

• 100101

• 110101

• 101101

Simplify the expression: 3(x + 4) - 2(x - 1).

• x + 14

• x + 10

• 3x + 12

• 2x + 10

Evaluate: 5(2 + 3) - 4.

• 25

• 21

• 15

• 10

If 1 GBP = 1.30 USD, how many USD is 200 GBP?

• 300 USD

• 200 USD

• 260 USD

• 250 USD

Convert the binary number 101101 to decimal.

• 45

• 60

• 25

• 30

Factor the expression: x^2 - 9.

• (x - 4)(x + 4)

• (x - 9)(x + 1)

• (x - 3)(x + 3)

• (x - 3)(x - 3)

Evaluate: 2(3 + 5) + 4(2 - 1).

• 10

• 20

• 16

• 12

If 1 CAD = 0.75 USD, how much is 300 CAD in USD?

• 300 USD

• 225 USD

• 250 USD

• 200 USD

Convert the decimal number 100 to hexadecimal.

• 64

• A0

• 7F

• FF