Nutan bought $30$ dozens of oranges for her juice stall in the school fair. She paid $Rs.\, 8$ per dozen of oranges. She also had to pay $Rs\, 500$ as the stall fee to the school authorities. She calculated that each glass'of juice would need $3$ oranges. How much should she charge per glass of juice so as to make $20 \%$ profit in $Rs?$

Anil bought an item with $12 \frac{1}{2} \%$ discount on the labellea price. He sold the item with $17 \frac{1}{2} \%$ profit on the labelled price. What was, his percent profit on the price he bought?

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

If a banana cost is $Rs.\, 1.25$ and apple cost is $Rs .\,1 .75$ the what will be the cost of $2$ Dozen of Banana and $3$ Dozen of apple in $Rs.$?

Amit purchased $13$ chair of $Rs.\, 115$ each and sold all at $Rs.\, 1220.$ Then find the profit or Loss on the transaction