7th Class Mathematics Fractions and Decimals Question Bank Fractions and Decimals

  • 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

    Correct Answer: B

    Solution :

    (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 \[=\text{ }80\text{ }\times \frac{5}{2}=200\]

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