Percentage and Rate Problems

A student's test score increased from 75 to 90. What is the percentage increase in the test score?

• 15%

• 18%

• 20%

• 25%

The price of the notebook increases from Php25 to Php30. What is the percentage increase in the price?

• 15%

• 20%

• 25%

• 30%

The cost of a book was Php350 but now it is Php280. What is the percentage decrease in the book's cost?

• 5%

• 10%

• 15%

• 20%

The cost of a ticket dropped from Php180 to Php153. What is the percentage decrease in the ticket price?

• 5%

• 10%

• 15%

• 20%

John Carl bought a watch that originally cost ₱2,000. The watch was on sale for 20% off. How much did John Carl save on the watch?

• ₱300

• ₱350

• ₱400

• ₱450

Ahyessa wants to buy a new handbag priced at ₱1,800. The store is offering a 50% discount on handbags. What is the amount of the discount?

• ₱800

• ₱900

• ₱1 000

• ₱1 100

Sanniel is a real estate agent who earns a 4% commission on the sale of a house. If he sells a house for ₱3,500,000, how much commission does Sanniel earn?

• ₱120 000

• ₱140 000

• ₱160 000

• ₱180 000

Jessa Mae buys a new refrigerator for ₱22,500. The sales tax rate is 7%. What is the amount of sales tax?

• ₱1 575

• ₱1 475

• ₱1 375

• ₱1 275

Which of the following is an example of a rate?

• The volume of a liquid.

• The number of pages in a book.

• The total cost of groceries.

• The speed of a car (miles per hour).

A car travels 150 miles in 3 hours. What is its average speed?

• 50 miles per hour

• 3 miles per hour

• 150 miles per hour

• 450 miles per hour