Lesson: Avoiding Common Mistakes - Part II

Comment on Avoiding Common Mistakes - Part II

At 3:25 in the example for no. of boys, can the total no. of students not be 0?
In that case, no. of boys would be 0 and hence the combined statement also becomes insufficient.
gmat-admin's picture

Great question.
In this instance, the number of students can be assumed to be greater than 1, since the sentence states that there is a class of "students" (plural)

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