Problems on Profit and Loss

Due to an increase of 30% in the price of eggs, 3 eggs less are available for Rs. 9.10. The present rate per egg is :

A man bought a second-hand typewriter for$₹ 1200$ and spent$₹ 200$ on its repairs. He sold it for $₹ 1680$. His profit percent is _____.

A shoe company sold 50 pairs of shoes on a day costing  $₹. 189.50$ each for  $₹. 10000$. Then the profit obtained in  ₹. is -

When the price of commodity is $₹20$, quantity demand is $9 \mathrm{units}$, and when price is $₹19$, quantity demanded is $10 \mathrm{units}$. Based on this information, what is marginal revenue resulting from an increase in output from $9 \mathrm{units}$ to $10 \mathrm{units}$?

A dealer marks the price of an article $40\%$ more than the cost price. He allows $10\%$ commission, his profit percent is

The ratio of cost price and selling price of an article is $20:21$. What is the profit percent on it?

The cost price of 20 articles is the same as the selling price of x articles.If the profit is 25%, then the value of x is:

A tradesman marks his goods at $30\%$ more than the cost price. If he allows a discount of $6\frac{1}{4}\%$.Then his gain percent is -

What percent of $15$ hours is $18$ seconds?

A trader purchases a watch and a wall clock for $₹ 390$. He sells them making a profit of $10\%$on the watch and $15\%$ on the wall clock. He earns a profit of $₹ 51.50$. The difference between the original prices of the wall clock and the watch is equal to _____.

A and B invested in a business in the ratio 3 : 5. If 20% of the total profit goes to charity and then A's share is Rs.12000, then the total profit is (in Rs.)

If the total cost of $73$ articles having equal cost is $5,110 \mathrm{rupees}$ and the total selling price of $89$ such articles is $5,607 \mathrm{rupees}$, then in the transaction, there will be _____.

The cost price of $40$oranges is same with the selling price of $32$ oranges .The profit percent is -

A person purchased $3$ oranges for $₹5$ and sold them at the rate of $2$ for $₹4$. His profit is ?

A dishonest dealer professes to sell his goods at cost price but he uses a weight of$800$ g for a kg weight. Find the gain percent.

Raman's salary was decreased by $50\%$ and subsequently increased by $50\%.$ How much percent does he loss?

A merchant loses$10\%$ by selling an article. If the cost price of the article is $₹15$, then the selling price of the article is ?

Arvind purchased a wristwatch with $30\%$ discount on the labelled price. He sold it with $40\%$ profit on the price he bought. What was his percent loss on the labelled price?

A trader marks his goods $40\%$ above the cost price and allows a discount of $25\%$. Find the profit he makes.

MPP (Marginal Physical Product) of a variable input is negative in: