The ratio of Laxmi's age to the age of her mother is 3:11. The difference of their ages is 24 years. The ratio of their ages after 3 years will be? Pick.
A) 1 : 9  B) 1 : 3  C) 1 : 2  D) 1 : 1  E) 3 : 3

Rationale: suppose age of laxmi is x years . the difference of their ages \ inline \ therefore ratio of their ages after 3 years = = = 12 : 36 = 1 : 3 answer : b
Answer: B