A trader marked his goods at $20 \%$ above the cost price. He sold half the stock at the marked price, one quarter at a discount of $20 \%$ on the marked price and the rest at a discount of $40 \%$ on the marked price. His total gain is.......$\%$
$2$
$4.5$
$13.5$
$15$
A man buys an article for $10 \%$ less than its value and sells it for $10 \%$ more than its value. His gain or loss percent is
If a men reduces the selling price of a fan from $Rs$ $400$ to $Rs.\, 380$, his loss increases by $2 \%$. The cost price of the fan is (in $Rs.$)
A vendor bought toffees at $6$ for a rupee. How many for a rupee must he sell to gain $20 \% ?$
A fan is listed at $Rs.\, 1500$ and a discount of $20 \%$ is offered on the list price. What additional discount must be offered to the customer to bring the net price to $Rs$ $1104 ?$ (in $\%$)
Raman, Manan and Kamal are partners and invest in a business such that Raman invests $\frac{2}{5}\,^{th}$ of total and Manan invests $\frac{3}{8}\,^{th}$ of the total. What is the ratio of profits of Raman, Manan and Kamal respectively?