If 1/5th of a number decreased by 5 is 5, then the number is
Pick
A) 25
B) 50
C) 60
D) 75
E) none

Rationale: explanation : let the number be a , then a / 5 − 5 = 5 ⇒ a / 5 = 10 ⇒ a = 50 correct option : b
Answer: B