Data Interview Qs - Data Interview Questions: Problem #75
Students in a class
Statistics Probability Theory Set Theory
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.
Given this information, how many opt for none of the three subjects?
You can read over set theory here.
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