Nitin bought some oranges at $Rs.\, 40$ a dozen and an equal number at $\,30$ a dozen. He sold them at $Rs.\,45$ a dozen and made a profit of $\,480.$ The number of oranges, he bought, was
$48$
$60$
$72$
$84$
The cost price of an article is $64 \%$ of the marked price. Calculated the gain per cent after allowing a discount of $12 \%$
If a radio is purchased for $Rs.\, 490$ and sold for $Rs.$ $465.50 .$ Find the $\operatorname{loss} \% ?$
In these questions, two equations mabered $I$ and $II$ are given. You have to solve both the equations and mark the appropriate option..
$I$. $6 x^{2}+19 x+15=0$
$II$.$3 y^{2}+11 y+10=0$
Tarun bought a $TV$ with $20 \%$ discount on the labelled price. Had he bought it with $25 \%$ discount, he would have saved $Rs.\,500.$ At what price did he buy the $TV?$
Divyam bougth an article with $15 \%$ discount on the labelled price. He sold the article with $10 \%$ profit on the labelled price. What was his percent profit on the price he bought?