GMAT - Graduate Management Admission Quantitative: Ratios and Proportions Questions and Answers

Question 1

A recipe for a fruit smoothie requires raspberries and strawberries in the ratio of 3:5.
If the recipe is scaled up to make a total of 120 ounces of smoothie, how many more ounces of strawberries are used than raspberries?

Accepted Answer

30

Answer

20

Answer

45

Answer

75

Question 2

At a conference, the ratio of doctors to lawyers is 5:4. If the total number of doctors and lawyers is 72, which of the following represents the number of lawyers at the conference?

Accepted Answer

32

Answer

24

Answer

36

Answer

40

Question 3

In a bag of red and green marbles, the ratio of red marbles to green marbles is 3:7. If there are 21 red marbles, how many green marbles are there?

Accepted Answer

49

Answer

9

Answer

30

Answer

70

Question 4

The ratio of men to women in a company is 5:3. If 10 men leave and 10 women are hired, the new ratio becomes 1:1. How many men were originally in the company?

Accepted Answer

40

Answer

20

Answer

25

Answer

30

Question 5

If a:b = 2:3 and b:c = 4:5, what is the ratio of a:c?

Accepted Answer

8:15

Answer

2:5

Answer

6:15

Answer

8:12

Question 6

A car travels 150 miles on 5 gallons of gasoline. At this rate, which of the following is the number of gallons of gasoline that would be needed to travel 210 miles?

Accepted Answer

7

Answer

6

Answer

8

Answer

9