Dr. Lal and Jain Solutions for Chapter: Profit and Loss, Exercise 1: Exercise

A tradesman by means of false balance defrauds to the extent of $10\%$ in buying goods and also defrauds $10\%$ in selling. What percentage does he gain on his outlay by his dishonesty?

Mohan sells two horses for $₹1955$ each. On one of them, he gains $15\%$ and on the other he losses $15\%$. Find his total gain or loss.

A grocer mixes $26 \mathrm{kg}$ of tea which costs him $₹2.00$ per $\mathrm{kg}$ with $30 \mathrm{kg}$ of tea which costs $₹3.60$ per $\mathrm{kg}$ and sells the mixture at $₹3.00$ per $\mathrm{kg}$. What is his total percentage of gain?

A shopkeeper estimates his profit at $22\frac{1}{2}\%$ of the cost price. If his sale in one week were of $₹392$, how much of this was his profit?

 A house was sold for $₹12,600$ at a profit of $5\%$ on the cost price. What percentage would have been gained if it had been sold for $₹13,000$?

A farmer bought a cow for a certain sum and sold it at a loss of $15\%$ of the cost price. If he received $Rs. 90$ more he would have gained $7\frac{1}{2}\%$ on the cost price. How much did the cow cost him ?

One typewriter marked for sale at $₹480$. The dealer allows discount of $10\%$ and yet makes a profit of $8\%$. What should his gain be if no discount were allowed?

A draper buys $100$ shawls for $₹2,450$. He sells $76$ of them at $₹35$ each, and the rest at half of that price. How much does he gain? What is his gain percentage on the cost price?