In a class of 120 students, how many passed in only one subject?

Question

(1) 70 students have passed in English.
(2) 80 students have passed in Mathematics.

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Crisss03 · Answer

Clearly E, we don't know how many subjects there are

paragw · Answer

Neither statement is sufficient alone or together to determine how many students passed in only one subject as we don't know the number of subjects

Reon · Answer

Total students = 120 
Number of students who passed in only one subject= ?

(1) Students passed in English= 70. No info about number of students who have passed in other subjects. 
Insufficient

(2) 80 students have passed in Mathematics.
No info about students who have in other subjects or about who have only passed in maths. 
Insufficient

(1)&(2) No info about the number of subjects or the overlap. 
Insufficient

E

Ayeka · Answer

We don’t know the total number of subjects or the exact number of students that passed in exactly one of those subjects. Neither statement alone or together is sufficient to answer the question asked.

E

E

In a class of 120 students, how many passed in only one subject?

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GMAT Data Sufficiency (DS) Questions

In a class of 120 students, how many passed in only one subject?

Prep Toolkit

615 to 715 in 15 Days (Ria's Strategies)

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