Find √? /18 = 4 ?	Pick
A) 76 B) 5776 C) 304 D) 5184 E) none

Rationale: "answer let √ n / 18 = 4 then √ n = 18 x 4 = 72 ∴ n = 72 x 72 = 5184 . correct option : d"
Answer: D