**Exercise 12.1**

**Question 1: Given the following values, find the unknown values:**

**(i) C.P. = Rs 1200, S.P. = Rs 1350 Profit/Loss?**

**(ii) C.P. = Rs 980, S.P. = Rs 940 Profit/Loss =?**

**(iii) C.P. = Rs 720, S.P. =? Profit = Rs 55.50**

**(iv) C.P. =? S.P. = Rs 1254, Loss = Rs 32**

**Solution 1:**

**Question 2. Fill in the blanks in each of the following:**

**(i) C.P. = Rs 1265, S.P. = Rs 1253, Loss = Rs …….**

**(ii) C.P. = Rs……., S.P. = Rs 450, Profit = Rs 150**

**(iii) C.P. = Rs 3355, S.P. = Rs 7355……. = Rs……**

**(iv) C.P. = Rs……., S.P. = Rs 2390, Loss = Rs 5.50**

**Solution 2:**

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**Question 3. Calculate the profit or loss and profit or loss percent in each of the following cases:**

**(i) C.P. = Rs 4560, S.P. = Rs 5000**

**(ii) C.P. = Rs 2600, S.P. = Rs 2470**

**(iii) C.P. = Rs 332, S.P. = Rs 350**

**(iv) C.P. = Rs 1500, S.P. = Rs 1500**

**Solution 3:**

**Question 4. Find the gain or loss percent, when:**

**(i) C.P. = Rs 4000 and gain = Rs 40.**

**(ii) S.P. = Rs 1272 and loss = Rs 328**

**(iii) S.P. = Rs 1820 and gain = Rs 420.**

**Solution 4:**

**Question 5. Find the gain or loss percent, when:**

**(i) C.P. = Rs 2300, Overhead expenses = Rs 300 and gain = Rs 260.**

**(ii) C.P. = Rs 3500, Overhead expenses = Rs 150 and loss = Rs 146**

**Solution 5:**

**Question 6. A grain merchant sold 600 quintals of rice at a profit of 7%. If a quintal of rice cost him Rs 250 and his total overhead charges for transportation, etc. were Rs 1000 find his total profit and the selling price of 600 quintals of rice.**

**Solution 6:**

**Question 7. Naresh bought 4 dozen pencils at Rs 10.80 a dozen and sold them for 80 paise each. Find his gain or loss percent.**

**Solution 7:**

**Question 8. A vendor buys oranges at Rs 26 per dozen and sells them at 5 for Rs 13. Find his gain percent.**

**Solution 8:**

**Question 9. Mr Virmani purchased a house for Rs 365000 and spent Rs 135000 on its repairs. If he sold it for Rs 550000, find his gain percent.**

**Solution 9:**

**Question 10. Shikha purchased a wrist watch for Rs 840 and sold it to her friend Vidhi for Rs 910. Find her gain percent.**

**Solution 10:**

**Question 11. A business man makes a 10% profit by selling a toy costing him Rs 120. What is the selling price?**

**Solution 11:**

**Question 12. Harish purchased 50 dozen bananas for Rs 135. Five dozen bananas could not be sold because they were rotten. At what price per dozen should Harish sell the remaining bananas so that he makes a profit of 20%?**

**Solution 12:**

**Question 13. A woman bought 50 dozen eggs at Rs 6.40 a dozen. Out of these 20 eggs were found to be broken. She sold the remaining eggs at 55 paise per egg. Find her gain or loss percent.**

**Solution 13:**

**Question 14. Jyotsna bought 400 eggs at Rs 8.40 a dozen. At what price per hundred must she sell them so as to earn a profit of 15%?**

**Solution 14:**

**Question 15. A shopkeeper makes a profit of 15% by selling a book for Rs 230. What is the C.P. and the actual profit?**

**Solution 15:**

**Question 16. A bookseller sells all his books at a profit of 10%. If he buys a book from the distributor at Rs 200, how much does he sell it for?**

**Solution 16:**

**Question 17. A floweriest buys 100 dozen roses at Rs 2 a dozen. By the time the flowers are delivered, 20 dozen roses are mutilated and are thrown away. At what price should he sell the rest if he needs to make a 20% profit on his purchase?**

**Solution 17:**

**Question 18. By selling an article for Rs 240, a man makes a profit of 20%.What is his C.P.? What would his profit percent be if he sold the article for Rs 275?**

**Solution 18:**