on increasing the number of lines in a page by 100, they become 240. what is the % of increase in the no. of lines in the page?	Answers:
A) 20 %
B) 305
C) 50 %
D) 71.4 %
E) 60 %
<gadget id="calculator">240 - 100</gadget>
<output>140</output>

<gadget id="calculator">240 / 140</gadget>
<output>12/7 = around 1.714286</output>

<gadget id="calculator">(12/7) * 100</gadget>
<output>1_200/7 = around 171.428571</output>

<gadget id="calculator">(1_200/7) - 100</gadget>
<output>500/7 = around 71.428571</output>

<result>D</result>
on increasing the number of lines in a page by 100, they become 240. what is the % of increase in the no. of lines in the page?
subtract(multiply(divide(240, subtract(240, 100)), const_100), const_100)
"explanation : number of pages increased = 100 now , the number of pages of book = 240 number of pages of the books before increase = 240 – 100 = 140 % increase in the number of pages in the book = 100 / 140 x 100 % = 71.4 % d"