GMAT Quantitative Reasoning Practice Test 4

Question : 89 of 100

Marks: +1, -0

The grade point average of one third of the classroom is 69 ; the grade point average of the rest is 60 . What is the grade point average of the whole class?

61
63
65
67
It depends how many people are there in the class.

Validate

Solution:

Because the number of people in the classroom is unknown, take 3. One person has 69 and the rest have 60 . Their sum is 189 .

189 / 3

(students) is 63.

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