Question

Mohanrao took $10$ days to finish a book, reading $40$ pages every day. How many pages must he read in a day to finish it in $8$ days ?

Answer 1

Number of pages in the book$=10\times 40=400$ pages

Now, let the no. of pages, he should read be $x$.

$\Rightarrow 8x=400$

$\Rightarrow x=\frac{400}{8}=50$pages