Mathematics Challenge for Grade 8

What is the square root of 144?

• 10

• 12

• 14

• 16

Calculate the square root of 256.

• 18

• 14

• 20

• 16

Find the square root of 625.

• 30

• 25

• 20

• 35

If a shirt costs $50 and is sold for $70, what is the profit percentage?

• 40%

• 20%

• 30%

• 50%

A book was bought for $20 and sold for $15. What is the loss percentage?

• 25%

• 15%

• 30%

• 10%

If a bicycle is purchased for $200 and sold for $250, what is the profit percentage?

• 20%

• 30%

• 25%

• 15%

Calculate the simple interest on a principal of $1000 at a rate of 5% for 3 years.

• $100

• $150

• $200

• $300

What is the compound interest on $2000 at a rate of 4% per annum for 2 years?

• 120.00

• 200.00

• 150.00

• 163.20

If you invest $1500 at a rate of 6% per annum, what will be the simple interest after 5 years?

• $600

• $300

• $750

• $450

A car is bought for $15,000 and sold for $12,000. What is the loss percentage?

• 30%

• 20%

• 15%

• 25%