Abhishek makes a profit of $Rs.\,110,$ if he sells a certain number of pens he has at the price of $Rs.\, 2.5$ per pen and incurs a loss of $Rs.$ $55,$ if he sells the same number of pens for $Rs.$ $1.75$ per pen. How many pens does Abhishek have?

A shopkeeper sells $25$ articles at $Rs.\, 45$ per article after giving $10 \%$ discount and earns $50 \%$ profit. If the discount is not given, the profit gained is......$\%$

By Selling $80\, ball$ pens for $Rs.\, 140$, a retailer loses $30 \% .$ How many ball pens should he sell for $Rs.\,104$ so as to make a profit of $30 \% ?$

Seema purchased an item for $Rs.\, 9600$ and sold it for loss of $5$ percent. From that money she purchased another item and sold it for gain of $5$ percent. What is her overall gain/loss?

By selling a fan for $Rs.\,1900$ a man has a loss of $5 \%$, then at what price (in $Rs.$) should he sell the fan to gain $20 \% ?$

A shopkeeper sells two watches for $Rs.\, 308$ each. On one he gets $12 \%$ profit and on the other $12 \%$ loss. His profit or loss in the entire transaction was