Practice Questions Maths

What is the area of a circle with a diameter of 7cm?

• 35.5cm²

• 38.3cm²

• 35.3cm²

• 38.5cm²

Simplify; 2x + 3x - 4x + 4y

• X - 4y

• -x - 4y

• X + 4y

• -x + 4y

A trader sells each of his goods with 10% profit. How much will he sell an electric kettle he bought for #1500?

• #1560

• #1650

• #1555

• #1605

Find the value of y, if 5y-13=17

• 6

• -9

• 5

• ⁷

What is the co-efficient of x in 5-x?

• 5

• -5

• -1

• 1

Find the average of the following numbers; 13,7,0,4,9 and 9.

• 6

• 9

• 8

• 7

Answer explanation

Zero(0) is recognized as a number, it shows us in data distribution that an information isn't represented in a distribution.

A man sold a clock for #100, losing 20%. What is the cost price?

• #120

• #125

• #130

• #110

The diameter of a circle is 30cm. What is the radius?

• 20cm

• 16cm

• 15cm

• 12cm

Find the area of a square with a side 5cm.

• 25cm

• 20cm²

• 25cm²

• 20cm

Answer explanation

The unit for area in this question is cm² not cm.

Express 180km/hr in m/s.

• 40m/s

• 50m/s²

• 40m/s

• 50m/s