Question

Raju reads $\frac{2}{3}$rd of a book. He finds that still there are $100$ pages to be read. The total number of pages in the book is

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Answer 1

If Raju reads $\frac{2}{3}$rd of a book.
He will still have $\frac{1}{3}$rd of the book to complete.
So, $\frac{1}{3}$rd of the total number of pages is given as $100$.
Hence, the total number of pages are $(3\times 100)=300$