GMAT Set Theory Sample Question | GMAT 650+ Practice Question | GMAT Online Preparation

GMAT Set Theory Sample Question | GMAT 650+ Practice Question | GMAT Online Preparation - Union and Intersection of Three Sets

Question:
In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics, those whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the
three subjects?
A. 19
B. 41
C. 21
D. 57
E. 26

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