Find the length of the wire required to go 15 times round a square field containing 69696 m2.
Pick:
A) 15840	B) 15848	C) 15828	D) 27892	E) 22892

Rationale: "a 2 = 69696 = > a = 264 4 a = 1056 1056 * 15 = 15840 answer : a"
Answer: A