# Solved Examples

**(Do these sums on your own and then check the method below to increase learning)**

**1.** A product is sold at a profit of 10% for Rs. 220. Its cost price is

1. Rs. 210 2. Rs. 200 3. Rs. 180 4. Rs. 240

**2.** If the selling price of a product is increased by Rs. 162, then the business would make a profit of 17% instead of a loss of 19%. What

is the cost price of the product?

1. Rs. 360 2. Rs. 450 3. Rs. 540 4. Rs. 600

**3.** 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

1. 25 2. 18 3. 16 4. 15

**4.** On selling a pen at 5% loss and a book at 15% gain, Karan gains Rs. 7. If he sells the pen at 5% gain and the book at 10% gain, then

he gains Rs. 13. The actual price of the book is

1. Rs. 100 2. Rs. 80 3. Rs. 10 4. Rs. 400

**5. **By selling 33 meters of cloth, a shopkeeper gains the price of 11 meters of cloth. His gain percent is

1. 33% 2. 50% 3. 20% 4. 22%

**6.** If the cost of 12 pencils is equal to the selling price of 10 pencils, the profit percent in the transaction is

1. 2.18% 3. 20% 4. 25%

**7.** Ravi sells an article at a gain of If he had sold it at Rs. 22.50 more, he would have gained 25%. The cost price of the article

1. Rs. 162 2. Rs. 140 3. Rs. 196 4. Rs. 180

**8.** A showroom owner sells a leather jacket for Rs. X and claims to make a profit of 10%. He plans to have a stall in the trade fair and

marks the same jacket at Rs. 2X. At the stall, he allows a discount of 20%. What will be the percentage profit that he will make at the

trade fair?

1. 80% 2. 60% 3. 76% 4. None of these

**9.** A contractor estimates that a job will earn him Rs 8400. He estimates that he will spend 95% on material and labour and bargains for

5% profit. The cost of the material and labour is in the ratio of 3:7. However, he later finds that the cost of material has increased by

10% and the labour cost by 15%. Calculate his loss per cent.

1. 7.5% 2. 8% 3. 9.5% 4. 10.5%

**10.** A shopkeeper sold 32 dozen of mangoes and made a profit of Rs 384. What was the cost price of each mango? To find out the answer,

which of the following information given in the statements I and I is/are sufficient?

I. The percentage profit was 20%.

II. The total sales proceeds were Rs 1,920.

1. Both I and II together are needed. 2. Either I or II alone is sufficient.

3. Both I and II together are not sufficient 4. Only I alone is sufficient.