The cash difference between the selling prices of an article at a profit of $4 \%$ and $6 \%$ is $Rs.\, 3.$ The ratio of the two selling price is
$51: 52$
$52: 53$
$51: 53$
$52: 55$
A person purchases $8$ pens for ₹ $10$ and sells $10$ pens for ₹ $8.$ How much profit or loss does he make in ?
Raheem sells a machine for $RS.\,48$ lakh at a loss. Had he sold it for $RS.\, 60$ lakh, his gain would have been 5 times the former loss. Find the cost price of the machine. $Rs.$ in lakh ?
A shopkeeper buys a toy at $Rs.\,100$ and sells it at $Rs.$ $125 .$ Another shopkeeper buys the same toy at $Rs.\, 125$ but sells it at $Rs.$ $100 .$ What are the respective profit and loss percentages for the two shopkeepers.
A person sells a colour $T V$ at $10 \%$ below the cost price. Had he received $Rs.\,1494$ more, he would have made a profit of $12 \frac{1}{2} \% .$ What was the cost price of the colour $TV?$ (in $Rs.$)
The cost price of $20$ articles is the same as the selling price of $x$ articles. If the profit is $25 \%$, then the value of $x$ is in $Rs.$