If the cost price of an item is $\frac{2}{5}$ of its marked price and if it is sold at a discount of $10 \%,$ then there will be

The marked price of a clock is $Rs. 3200$. It is sold at $Rs. 2448$ after two successive discounts. If the first discount is $10 \%$,then the second discount is.........$\%$

Harkesh bought a certain quantity of tomato at the rate of $Rs. 1500$ per quintal. $10 \%$ of the tomato was spoiled. At what price in $Rs.$ per quintal should he sell the remaining to gain $20 \%$ of his outlay?

$A$ man sold two cows at $Rs. 1995$ each. On one he lost $10\%$ and on the other he gained $10\%$. What is his gain or loss percent (in $\%$)?

$A$ shopkeeper listed the price of goods at $30 \%$ above the cost price. He sells half the stock at this price, one-fourth of the stock at a discount of $15 \%$, and the remaining at $30 \%$ discount. His overall profit is.......$\%$

If the selling price is tripled and the cost price is doubled,the profit would become $65 \%$. What is the present profit (in $\%$)?