Question

11+ 3x
8=
EXERCISE 8.1
Example
olution:
1. Find the profit or loss percentage, when
(i) S.P. -900, C.P. - 800 (ii) C.P. = 6800, S.P. = 6052
2. A man gains 63 by selling an article for 1113. Find his gain percentage.
3. A man had a loss of 88 by selling an article for 2112. Find his loss percentage.
4. Neha bought 12 ball pens for 72 and sold them at 8 per ball pen. Find her gain per cent.
5. Find the gain or loss percentage, if its selling price is 7/10th of its cost price.
6, A man sold his music system for 444 losing 1/5th of its cost price. Find (1) its cost price, (2) the loss percentage
7. A man sold an article for 660 and gained 1/10th of its cost price. Find (1) its cost price, (2) the gain per cent
8. () Find the loss or profit per cent, if its selling price is16/15
of its cost price.
(ii) Find the loss or profit per cent, if its cost price is
9/8 of its selling price
9.Find the loss or profit percentage, if the cost price of an article is 25% more than its selling price.
10. A fruit vendor sold 4 mangoes for 5, if he bought them at 5 for 4. Find his gain per cent.
11. By selling a certain number of articles for 6000, gain equal to 2/5th of their selling price.
Find (i) the gain, (ii) the cost price of the articles, (iii) the gain percentage.
12. A shopkeeper bought 10 dozen eggs at the rate of 10.80 per dozen. In the transaction, 20 eggs were broken and
he sold the remaining eggs at one rupee each. Find his gain or loss percentage.


please answer my questions​

Answer 1

Answer:

4. 12 × 8 = 96 selling price

72 cost price

so profit

of

96- 72= 24

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