Question

On selling a book of $Rs.810$, Anil got a profit of $8\%$. For how much did he purchase it?

Answer 1

It is given that profit $\%=8\%$

Therefore,

$SP=CP(1+\frac{profit\%}{100})$

$810=CP(1+\frac{8}{100})$

$\frac{810\times 100}{108}=CP$

It gives: $CP=750Rs.=$ Cost price of the book