When a producer allows $36 \%$ concession on the retail price of his product, he earns a profit of $8.8 \% .$ What would be his profit percent if the commission is reduced by $24 \% ?$
$48.2$
$49$
$49.6$
$51$
A person sold a horse at a gain of $15 \% .$ Had he bought it for $25 \%$ less and sold it for $Rs.\,60$ less, he would have made a profit of $32 \% .$ The cost price of the horse was (in $Rs.$)
By selling an article for $Rs$ $384,$ a trader gains $20 \%$. Find the cost price of article.
A man bought $15$ mangoes for a rupee. How many mangoes were sold for a rupee so that there is a loss of $25 \% ?$
In these questions, two equations mabered $I$ and $II$ are given. You have to solve both the equations and mark the appropriate option.
$I.$ $2 x^{2}+19 x+45=0$
$II.$ $2 y^{2}+11 y+12=0$
A man buys two chairs for a total cost of $900.$ By selling one for $\frac{4}{5}$ of its cost and the other for $\frac{5}{4}$ of its cost, he makes a profit of $90$ on the whole transaction. The cost of the lower priced chair is (in $Rs.$)