R. Gupta Solutions for Exercise 1: EXERCISE

Mr. $X$ sells an article to $Y$ at a profit of $20\%$ and $Y$ sells it to $Z$ at a profit of $25\%$. If $Z$ buys it for $Rs. 225$, what did $X$ pay for it?

A vendor sells$5$oranges for a Rupee thus gaining $40\%$. How many oranges did he buy for a rupee?

A person sold a watch for $Rs.144$ and got a percentage of profit equal to the cost price. Find the cost price of watch.

By selling $100$ pens, a shopkeeper gains the $S.P.$ of $20$ pens. Find the gain percent.

A vendor bought toffees at $6$for a Rupee. How many toffees for a rupee must he sell to gain $20\%$

A vendor bought a number of bananas at $3$ for a Rupee and sold them at $2$ for a Rupee. Find his gain percent.

A shopkeeper purchases oranges at the rate of $11$ oranges for $Rs.10$ and sells them at the rate of $10$ oranges for $Rs.11$. What would be his percentage profit or loss?

Rakesh sold a watch at a profit of $20\%$. Had he bought it for $20\%$ less and sold it for $Rs.20$ less, then he would have gained $20\%$. What is the cost price of the watch?