Question

EXERCISE 8.3
per
1. Tell what is the profit or loss in the following transactions. Also find profit per cent or
loss cent in each case.
(a) Gardening shears bought for 250 and sold for 325.
(b) A refrigerater bought for 12,000 and sold at 13,500.
(c) A cupboard bought for 2,500 and sold at 3,000.
(d) A skirt bought for 250 and sold at 150.
Convert each part of the ratio to percentage:
(b) 2:3:5
(c) 1:4
(d) 1:2:5
3. The population of a city decreased from 25,000 to 24,500. Find the percentage
decrease.
4. Arun bought a car for * 3,50,000. The next year, the price went upto
3,70,000. What was the Percentage of price increase?
5. I buy a T. V. for 10,000 and sell it at a profit of 20%. How much money do I get for
2.
(a) 3:1
6. Juhi sells a washing machine for? 13,500. She loses 20% in the bargain. What was
the price at which she bought it?
7. () Chalk contains calcium, carbon and oxygen in the ratio 10:3:12. Find the percentage
of carbon in chalk.
() Ifin a stick of chalk, carbon is 3g, what is the weight of the chalk stick?​

Answer 1

Answer:

EXERCISE 8.3

per

1. Tell what is the profit or loss in the following transactions. Also find profit per cent or

loss cent in each case.

(a) Gardening shears bought for 250 and sold for 325.

(b) A refrigerater bought for 12,000 and sold at 13,500.

(c) A cupboard bought for 2,500 and sold at 3,000.

(d) A skirt bought for 250 and sold at 150.

Convert each part of the ratio to percentage:

(b) 2:3:5

(c) 1:4

(d) 1:2:5

3. The population of a city decreased from 25,000 to 24,500. Find the percentage

decrease.

4. Arun bought a car for * 3,50,000. The next year, the price went upto

3,70,000. What was the Percentage of price increase?

5. I buy a T. V. for 10,000 and sell it at a profit of 20%. How much money do I get for

2.

(a) 3:1

6. Juhi sells a washing machine for? 13,500. She loses 20% in the bargain. What was

the price at which she bought it?

7. () Chalk contains calcium, carbon and oxygen in the ratio 10:3:12. Find the percentage

of carbon in chalk.

() Ifin a stick of chalk, carbon is 3g, what is the weight of the chalk stick?