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There are a total of 200 students. Each student must take at least one of the three languages: German, French, or Spanish. Among them, 100 students take German, and none of the students who take French also take Spanish. The goal is to determine how many students take exactly two of the three languages.

Given total 200 students. Each take G or F or S (take at least one)
G=100
No overlap between F and S
How many students take 2 languages?

(1) 80 students take only German.
As total students taking German are 100, Hence 100-80 = 20 students take either G+F or G+S. As F+S is not possible, hence G+F+S is also not poosible.
Hence total students taking 2 languages = 20
Sufficient.

(2) 120 students take either French or Spanish.
This gives us that students taking only german = 200-120 = 80.
Since this si the exact information provided in 1, hence sufficient.

IMO Ans D
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