• # question_answer Sandeep reads $\frac{3}{5}$ of a book. He finds that there are still 80 pages left to be read. What is the total number of page in the book? A)  100                             B)  200         C)  300                             D)  400

(b) Part of book left to be read $=1-\frac{3}{5}=\frac{2}{5}$ Now, $\frac{2}{5}$ of book=80 $\therefore$ Total book $=\text{ }80\text{ }\times \frac{5}{2}=200$