# 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

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.