If the sum of a number and its square is 132, then what is the number? Choose the most appropriate option:
A) 10  B) 11  C) 12  D) 13  E) 14

Rationale: "explanation : let the number be x . then , x 2 + x = 132 = > x 2 + x - 132 = 0 = > ( x + 12 ) ( x - 11 ) = 0 = > x = 11 answer : option b"
Answer: B