serious maths

The area of a square with a side length of
7 meters is:

• 14 square meters

• 24 square meters

• 48 square meters

• 49 square meters

What is the perimeter of a rectangle with a length of 7 cm and a width of 6 cm?

• 32

• 26

• 24

• 16

The area of a semicircle with a radius of 10 centimetres is closest to:

• 157 cm

• 350 cm

• 314 cm

• 114 cm

The fraction 12/20 simplified is:

• 4/10

• 4/20

• 3/5

• 1/10

If two interior angles of a triangle are 40 degrees and 50 degrees, the third angle must be:

• 20°

• 90°

• 120°

• 130°

An angle of 110 degrees is what type of angle?

• acute

• obtuse

• reflex

• straight

The circumference of a circle with diameter 100 centimeters is:

• 360 cm

• 314 cm

• 100 cm

• 628 cm

Expanding 3(4c + 6d – 2) gives:

• 7c + 9d + 5

• 43c + 47d - 42

• 12c + 18d - 6

• 34d 62d

The price of a $600 phone is reduced by 15%. How much do you pay?

• $510

• $310

• $405

• $490

The number 28 divided in the ratio 1:3 gives:

• 6 & 14

• 7 & 21

• 8 & 16

• 14 & 28