If the number is divided by 3, it reduced by 42. The number is
Select:
A) 51
B) 63
C) 45
D) 40
E) 36

Rationale: "explanation : let the number be x . then , x - ( x / 3 ) = 42 = > 2 x / 3 = 42 = > x = 63 answer : option b"
Answer: B