Comparing Quantities

Find the percentage of 75 out of 150.

• 50%

• 25%

• 100%

• 75%

A shirt is sold for $500 with a profit of 25%. Find the cost price of the shirt.

• Cost Price = $500 * 0.25 = $125

• Cost Price = $500 / 0.25 = $2000

• Cost Price = $500 / (1 + 0.25) = $400

• Cost Price = $500 / (1 - 0.25) = $625

Calculate the simple interest on $2000 at 5% per annum for 3 years.

• The simple interest is $300

• The simple interest is $100

• The simple interest is $150

• The simple interest is $250

Convert 0.6 to a percentage.

• 0.6%

• 6%

• 0.06%

• 60%

If the price of a book is increased by 20%, find the new price if the original price was $50.

• $45

• $55

• $70

• $60

What is 35% of 80?

• 60

• 45

• 20

• 28

A watch is sold at a loss of 10%. If the cost price is $400, find the selling price.

• $380

• $350

• $360

• $410

Calculate the simple interest on $3000 at 8% per annum for 2 years.

• The simple interest is $240.

• The simple interest is $480.

• The simple interest is $320.

• The simple interest is $600.

Convert 0.75 to a percentage.

• 750%

• 75%

• 0.75%

• 7.5%

If the length of a rectangle is increased by 25%, by what percentage should the width be decreased to maintain the same area?

• 30%

• 15%

• 10%

• 20%