On increasing the number of lines in a page by 80, they become 240. What is the % of increase in the no. of lines in the page? Choose one
A) 30%
B) 40%
C) 50%
D) 70%
E) 80%
Explanation : Number of pages increased = 80   Now , the number of pages of book = 240   Number of pages of the books before increase = 240 – 80 = 160   % increase in the number of pages in the book = 80 160   x 100% = 50%   50%
<result>C</result>
On increasing the number of lines in a page by 80, they become 240. What is the % of increase in the no. of lines in the page?