In a class of 200 students, 125 students have taken the Programming Language…

GATE · 2004 · IT

In a class of 200 students, 125 students have taken the Programming Language course, 85 students have taken the Data Structures course, and 65 students have taken the Computer Organization course.

Also, 50 students have taken both Programming Language and Data Structures, 35 students have taken both Data Structures and Computer Organization, 30 students have taken both Programming Language and Computer Organization, and 15 students have taken all three courses.

How many students have not taken any of the three courses?

  1. A.

    15

  2. B.

    20

  3. C.

    25

  4. D.

    35

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