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 $Rs.$)

If a commission at the rate of $10 \%$ is given to a bookseller on the marked price of a book by the publisher, the publisher gains $20 \%$. If the commission is increased to $15 \%$ then the gain percent would be

A shopkeeper sells one transistor for $Rs.\, 840$ at a gain of $20 \%$ and another for $Rs.\, 960$ at a loss of $4 \% .$ His total gain or loss percent is

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

Gita buys a plot of land for $Rs.\,96,000.$ She sells $\frac{2}{5}$ of it at a loss of $6 \% .$ She wants to make a profit of $10 \%$ on the whole transaction by selling the remaining land. The gain percentage on the remaining land is