Question
The average of 4 distinct prime numbers a, b, c, d is
35, where a ˂ b ˂ c ˂d. a and d are equidistant from 36 and b and c are equidistant from 34 and a, b are equidistant from 30 and c and d are equidistant from 40. The difference between a and d isSolution
The correct answer is B
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