How many positive integers less than 28 are prime numbers, odd multiples of 5, or the sum of a positive multiple of 2

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How many positive integers less than 28 are prime numbers, odd multiples of 5, or the sum of a positive multiple of 2 and a positive multiple of 4?

A. 27
B. 25
C. 24
D. 22
E. 20

Answer: D

Source: Princeton Review
Source: — Problem Solving |