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If \(a, b, c,\) and \(d\) are integers where \(0 < a < b < c < d,\) what is the value of \(a + b + c +d?\)
(1) \(a, b, c,\) and \(d\) are consecutive integers where \(a + b\) and \(c + d\) are prime.
(2) \(ac + ad + bc + bd = 21\)
Answer: B
Source: e-GMAT
(1) \(a, b, c,\) and \(d\) are consecutive integers where \(a + b\) and \(c + d\) are prime.
(2) \(ac + ad + bc + bd = 21\)
Answer: B
Source: e-GMAT
