Aditya purchased $14$ shirt $\&\, 25$ pants at $Rs.\,45$ and $Rs.\,55$ respectively what should be the approximate overall average selling price of shirt and pant so that $40 \%$ profit is earned in $Rs.$?

A reduction of $21 \%$ in the price of an item enables a person to buy $3\, Kg$ more for $Rs.\,100.$ The reduced price of the item per $Kg$ is (in $Rs.$)

The percentage profit earned by selling an article for $Rs.\,1920$ is equal to the percentage loss incurred by selling the same article for $Rs.\,1280.$ At what price should the article be sold to make $25 \%$ profit? (in $Rs.$)

A cloth dealer professes to sell cotton at cost price, but uses a meter having a length of $80\, cm$ only and charges for the meter. Find his gain percent.

$A$ and $B$ jointly made a profit of $Rs.\, 1650$ and they decided to share it such that $\frac{1}{3}$ of $A$ 's profit is equal to $\frac{2}{5}$ of $B$ 's profit. Then profit of $B$ is (in $Rs.$)

An article which is marked at $Rs.\, 975$ is sold for $Rs.\, 897$. The $\%$ discount is?