BMath Ratio and Proportion Quiz

A ratio is _ of two numbers.

• contrast

• quotient

• comparison

In direct proportion, if one variable increases the other variable _.

• increases

• decreases

• remains the same

In the proportion 3:5 = 6:10, the means are _ and _ .

• 3 and 10

• 3 and 6

• 5 and 6

A number is inverse proportionate to another when one variable decreases, the other variable _.

• increases

• decreases

• remains the same

Speaking of partitive proportion, we are talking about a whole divided into _.

• shares

• fractions

• parts

Juan and Pedro agreed to go into a partnership. Juan invested ₱48,000 and Pedro invested ₱30,000. What is the ratio (in simplest form) of their investment?

• 6:5

• 7:5

• 8:5

An investment of ₱38,000 produces a net income of ₱9,500. How much investment is needed to earn a net income of ₱47,500?

• ₱180,000

• ₱190,000

• ₱200,000

A child visits a stationary shop to purchase a few comic books. The price of a comic book is ₱25 and the money that the child has is ₱150. This means that he would be able to purchase 6 comic books. A few weeks later, he visits the same stationery shop and finds that the price of the comic book has now been increased to ₱35. How many comic books can he buy with ₱150?

• 3

• 4

• 5

Janine and John share profits of their partnership in the ratio 1:3. If Janine's share in the profit for last year was ₱30,000, how much was John's share in the profit of the business?

• ₱45,000

• ₱60,000

• ₱90,000

In a Top Spray Bottle factory, 2 employees can manufacture 20 bottles of spray in one hour. How long will it take 6 people to manufacture 20 bottles?

• 20 minutes

• 22 minutes

• 24 minutes