On increasing the number of lines in a page by 60, they become 240. What is the % of increase in the no. of lines in the page? Options:
A) 33.3 %  B) 305  C) 50 %  D) 55 %  E) 60 %

Rationale: "explanation : number of pages increased = 60 now , the number of pages of book = 240 number of pages of the books before increase = 240 – 60 = 180 % increase in the number of pages in the book = 60 / 180 x 100 % = 33.3 % a"
Answer: A