A shopkeeper professes to sell his goods at cost price but uses a weight of $800\, g$ instead of kilogram weight. Thus, he makes a profit of
$20$
$16 \frac{2}{3}$
$25$
None of these
A dealer buys an article listed at $Rs.\, 100$ and gets successive discounts of $10 \%$ and $20 \% .$ He spends $10 \%$ of the Cost Price on transportation. At what price should he sell the article to earn a profit of $15 \% ?$ (in $Rs.$)
The cost of an article including the sales tax is $Rs.\, 616$. The rate of sales tax is $10 \%$, if the shopkeeper has made a profit of $12 \%$, then the cost price of the article is in $Rs.$?
Oil equal to $20 \%$ of the weight of ground nut is extracted in a mill. The matter left after extraction is sold as cattle feed at the rate of $Rs.\, 12.5$ per $kg$. The ground nuts are bought at $Rs.$ $20$ per $kg.$ the processing cost is $Rs.\, 5$ per $kg$. At what price $(Rs.$ per $kg$ ) should the oil be sold to earn $20 \%$ profit on total costs (Total cost $=$ cost of groundnuts and processing costs)?
Find a simple discount equivalent to a discount series of $10 \%, 20 \%$ and $25 \%$ (in $\%$)
Meenal purchased a car for $Rs.\, 2,50,000$ and sold it for $Rs.\, 3,48,000 .$ What is the per cent profit she made on the car?