Discounts

The diameter of a wheel is $3 \mathrm{m}$. The wheel revolves $28$ times in a minute. To cover $5.280 \mathrm{km}$ distance, the wheel will take how much time? (Take $\pi =\frac{22}{7}$)

In a furniture shop, a cot and a almirah sold separately for $₹15000$ and $₹25000$, are sold together for $₹36000$. If the discount percentage in this deal is $k\%$, then find the value of $k$.

The price of a spider toy is $₹3136$ inclusive tax (under GST) at the rate of $12\%$ on its listed price. A buyer asks for a discount on the listed price, so that after charging GST, the selling price becomes equal to the listed price. If the amount of discount which the seller has to allow for the deal is $₹k$, then find the value of $k$.

A fruit seller sells mangoes at the rate of $₹9/\mathrm{kg}$ and thereby loses $10\%$. At what price per $\mathrm{kg}$ should he sell in order to earn profit of $5\%$?

A shop gives $20\%$ discount. A bag marked at $₹250$, has a selling price of $₹k$. Find the value of $k$.

Two times a number is $100\%$ increase in the number. If we take half the number it would be $k\%$ decrease in per cent then find $k$.

After allowing a discount of $60\%$ on the marked price of a chair, Ram suffers a loss of $40\%$. If the chair is sold on its marked price there is $x\%$ profit, find the value of $x$.

A men fix marked price $20\%$ more than his cost price. If he give $15\%$ discount on cash he earns $x\%$ profit, find the value of $x$:

Sheela earns $8\%$ more after discount of $10\%$ on a mark price of a watch. Find the value of ratio of mark price and cost price of the watch:

If the legth of a rectangle is increased by $15\%$ and breadth by $30\%$, then the value of ratio of it's area after and before changing.

A salesman is allowed $7\frac{1}{2}\%$  discount on the total sales made by him plus a bonus of $\frac{1}{2}\%$ on sales over $40000$. If his total earnings were $3400$, find his total sales.

Successive discounts of $30\%$ and $20\%$ are given on an item marked at $12000$. Find the selling price.

When a discount of $20\%$ is given on a car, the profit is $28\%$. If the discount is $30\%$, then the profit percentage is:

A company gives two successive discounts on an article marked $4500$. The first discount given is $10$ percent. If the customer pays $3442.5$ for the article, the second discount percent given is :

Applied to a bill for $Rs. 300000$ the difference between a discount of $29\%$  and two successive discounts of $25\%$ and $4\%$ is :

Two milkmen Ram and Shyam mark the identical price of their milk named $\mathrm{P}$ and $\mathrm{Q}$ respectively. Ram allows $3$ successive discounts of $15\%$ each on his milk $\mathrm{P}$ whereas Shyam allows $20\%$ discount on the list price and a subsequent discount of $22\%$ on his milk $\mathrm{Q}$. So, under these conditions, which of the following is true?

The price of an electronic gadget is $\mathrm{Rs}. 700$. After two successive discounts by the same percentage, the price of the gadget becomes $\mathrm{Rs}. 656$. If each time the discount was $\mathrm{d}\%$ then what is $\mathrm{d}$?

If a bill costs $\mathrm{Rs}. 12500$, then what is the difference between a single discount of $45\%$ and two successive discounts of $28\%$ and $12\%$?

What will be the value of a single discount on an amount which is equivalent to a series of discounts of $15\%, 20\%$ and $30\%$ on the same amount?

A shopkeeper offers $8\%$ discount on the purchase of a sofa set. He also offers an additional $14\%$ discount if the customer pays in cash. If the original price of the sofa set is $\mathrm{Rs}. 8000$, then what is its actual price if payment is made in cash?