Question 2

An integer number from 1 through 100 is generated randomly. What percent is the probability that it is neither a multiple of 3 nor 5?

a) 41
b) 47
c) 53
d) 59

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1 Comment »

  1. Quang said

    The probability of the multiple of 3 : 33 %
    The probability of the multiple of 5 : 20 %
    The probability of the multiple of 3 and 5 : 6 %
    -> The result = 33 + 20 – 6 = 47 %
    Answer : B

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