GATE | GATE IT 2006 | Question 24

What is the cardinality of the set of integers X defined below?

X = {n | 1 ≤ n ≤ 123, n is not divisible by either 2, 3 or 5}
(A) 28
(B) 33
(C) 37
(D) 44


Answer: (B)

Explanation:  

anil_4

 

This solution is contributed by Anil Saikrishna Devarasetty.

 

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