Karthik read 7/13 th of a book in 1st week and 5/9 th of the remaining book in 2nd week. If there were 96 pages unread after 2nd week, how many pages were there in the book ? Choices.
A) 518  B) 452  C) 468  D) 502  E) 396
Solution   96 pages were unread   so on second week have 5/9   So unread pages = 1 - 5/9 = 4/9   96*9/4= 
<gadget id="calculator">96*9/4</gadget>
<output>216</output>
216   then, on first week unread pages were 216   total pages= 216*13/6= 
<gadget id="calculator">216*13/6</gadget>
<output>468</output>
468   So answer is 468
<result>C</result>
Karthik read 7/13 th of a book in 1st week and 5/9 th of the remaining book in 2nd week. If there were 96 pages unread after 2nd week, how many pages were there in the book ?