If 28% of a number exceeds 18% of it by 7.2, then find the number? Pick.
A) 50 B) 34 C) 55 D) 60 E) 90

Rationale: use the elimination method to find the correct option . of all the options only 90 fits 28 % of 90 = 25.2 18 % of 90 = 16.2 25.2 - 16.2 = 7.2 required number is 90 . answer : e
Answer: E