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?	Choose the correct choice from the following answers.
A) 33.3%  B) 305  C) 50%  D) 55%  E) 60%
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%   33.3%
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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?