125
15
425
34
Correct answer is C
(1≤x≤25) = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25}
Number N of x divisible by both 2 and 3 is 4.
n(ε) = 25
= Nn(ε)
= 425
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