Set \(A\) consists of three consecutive positive multiples of \(3,\) and set \(B\) consists of five consecutive positive

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Set \(A\) consists of three consecutive positive multiples of \(3,\) and set \(B\) consists of five consecutive positive multiples of \(5.\) If the sum of the integers in set \(A\) is equal to the sum of the integers in set \(B,\) what is the least number that could be a member of set \(A?\)

(A) 69
(B) 72
(C) 75
(D) 78
(E) 81

Answer: B

Source: Manhattan GMAT
Source: — Problem Solving |