GMAT Quantitative Reasoning Practice Test 3

Question : 93 of 100

Marks: +1, -0

A GMAT class has a ratio of girls to boys of 1.5 to 3 . If the class has a total of 36 students, how many more girls are there than boys?

Solution:

This is a standard ratio problem.

36 \/(1.5+3)=8

.
The number of boys is

8 × 3=24

.
The number of girls is

8 × 1.5=12

.
The difference between the numbers is 12 .

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