Paras Health Care made $3000$ strips of vitamin tablets at a cost of $Rs.$ $4800 .$ The company gave away $1000$ strips of tablets to doctors as free samples. A discount of $25 \%$ is given on the printed price. Find the ratio of profit in $Rs.$ if the price is raised from $Rs.\, 3.25$ to $Rs.\, 4 .25$ per strip and if at the latter price, samples to doctors were done away with.
$36.7$
$49.3$
$63.5$
$71.7$
A shopkeeper allows $23 \%$ commission on his advertised price and still makes a profit of $10 \%$. If he gains $Rs.\,56$ on one item. His advertised price of the item, in $Rs.$ is
Nutan pays $Rs.\, 2140$ for $3$ calculator and $4$ Pen while he pay $Rs.\, 1355$ for an additional calculator and $5$ Pen. Then what he paid for Calculator only in $RS.$?
Ram purchases a chair at $Rs.\, 70$ and spent $Rs$. $17$ on its repair and $50$ paise on cartage. If he sold the chair at $Rs.\, 100$ then his approximate margin of profit in $\%$ will be?
$'A'$ bought a certain quantity of oranges at total cost of $Rs.\, 1200 /-$ He sold $1 / 3^{\text {rd }}$ of those oranges at $20 \%$ loss. If $A$ earns an overall profit of $10 \%,$ at what percent profit did $A$ sell the rest of the oranges?
Rahim bought a gift item for $Rs.\,510$ after getting a discount of $15 \% .$ He then sells it $5 \%$ above the marked price. The profit earned in this deal is (in $Rs.$)