Math Skills Challenge

Calculate the average of 12, 15, and 18.

• 15

• 16

• 20

• 13

If an item is bought for $50 and sold for $70, what is the profit percentage?

• 25%

• 30%

• 40%

• 50%

Find the circumference of a circle with a radius of 5 cm. (Use π = 3.14)

• 15.7 cm

• 25.4 cm

• 31.4 cm

• 10.5 cm

Calculate the simple interest on a loan of $1000 at an interest rate of 5% per year for 3 years.

• $75

• $200

• $150

• $50

What is the average of 25, 30, 35, and 40?

• 30

• 25

• 45

• 35

If the cost price of an item is $80 and it is sold for $100, what is the profit?

• $15

• $25

• $10

• $20

A circle has a diameter of 10 cm. What is its circumference? (Use π = 3.14)

• 31.4 cm

• 20.1 cm

• 15.7 cm

• 28.6 cm

Find the simple interest on a principal amount of $2000 at a rate of 8% per annum for 4 years.

• The simple interest is $640.

• The simple interest is $800.

• The simple interest is $500.

• The simple interest is $320.

The test scores of a student are 85, 90, 88, and 92. What is the average score?

• 87.5

• 91.25

• 88.75

• 89.5

If the cost price of an article is $120 and it is sold for $150, what is the profit percentage?

• 20%

• 25%

• 15%

• 30%