Meenal purchased a car for $Rs. 2,50,000$ and sold it for $Rs. 3,48,000$. What is the percent profit she made on the car?

$A$ single discount,equivalent to a successive discount of $40 \%$ and $30 \%$ is in $\%$?

$A$ man sells two articles,each for $Rs. 640$. He earns $20\%$ profit on the first and $40\%$ profit on the second. Find his overall percent profit.

Mr. Kapur purchased two toy cycles for $Rs. 750$ each. He sold these cycles,gaining $6 \%$ on one and losing $4 \%$ on the other. The gain or loss percent in the whole transaction is

The difference between successive discounts of $40\%$ followed by $30\%$ and $45\%$ followed by $20\%$ on the marked price of an article is $Rs. 12$. The marked price of the article is (in $Rs.$)

$A$ shopkeeper allows a discount of $10 \%$ on the marked price of a camera. The marked price of the camera,which costs him $₹ 600$,to make a profit of $20 \%$ should be (in $₹$):