Question

A shopkeeper buys $Rs50$ per ream . At what price per quire should be sell it to gain $20$?

Answer 1

Cost of $1$ ream $=Rs50$.

Price he will sell to gain $20\%$

$=Rs$ ($50+20\%$ of $50$)

$=Rs(50+\frac{20}{100}\times 50)$

$=Rs(50+10)=Rs60$

$\therefore S.P=Rs60$