EXERCISE 8.4
E
(b) CP= 1080 and loss = 75%
So
1. Find SP when
(a) CP=920 and gain = 6%.
2. Find CP when
(a) SP-360 and gain = 12:59
(b) SP = 1539 and loss = 10%.
3. A bookseller supplied 200 books to a school and earned a profit of 15. If each book costs him 180,then
find his selling price and profit
4. The selling price of 20 pens is equal to the cost price of 22 pensWhat is the profit per cent?
3. Seema purchased a car for 2.25.400 and spent 710,000 on its repair. Then she sold it for 2.25.000. Find
her profit or loss per cent
6. Somnath bought bananas at 335 a dozen. He then sold them at 20% profit
. Find the selling price of one banana
7. A man sold two toasters for 7900 each. On one toaster he gains 20 and on the other he loses 20%. How
much does he gain or lose on the whole transaction? Find the profit or loss per cent on the whole transaction.
8. A shopkeeper purchased 15 chairs for 2450 each. He sold 12 of them at 3512 each and 3 of them at 427
each. Find his gain or loss per cent
9. A vegetable vendor bought 25 kg of potatoes at 7 per kg and 15 kg at 8 per kg. At what rate should he
sell them to gain 22%?
10. A fruit seller bought 2 dozen oranges at 745 per dozen. Thirteen oranges were found rotten At what rate
should he sell each orange to gain 10%?
F.
PI
SIMPLE INTEREST
The interest rate (rate of interest) is an appen
Answers
Answer:
EXERCISE 8.4
E
(b) CP= 1080 and loss = 75%
So
1. Find SP when
(a) CP=920 and gain = 6%.
2. Find CP when
(a) SP-360 and gain = 12:59
(b) SP = 1539 and loss = 10%.
3. A bookseller supplied 200 books to a school and earned a profit of 15. If each book costs him 180,then
find his selling price and profit
4. The selling price of 20 pens is equal to the cost price of 22 pensWhat is the profit per cent?
3. Seema purchased a car for 2.25.400 and spent 710,000 on its repair. Then she sold it for 2.25.000. Find
her profit or loss per cent
6. Somnath bought bananas at 335 a dozen. He then sold them at 20% profit
. Find the selling price of one banana
7. A man sold two toasters for 7900 each. On one toaster he gains 20 and on the other he loses 20%. How
much does he gain or lose on the whole transaction? Find the profit or loss per cent on the whole transaction.
8. A shopkeeper purchased 15 chairs for 2450 each. He sold 12 of them at 3512 each and 3 of them at 427
each. Find his gain or loss per cent
9. A vegetable vendor bought 25 kg of potatoes at 7 per kg and 15 kg at 8 per kg. At what rate should he
sell them to gain 22%?
10. A fruit seller bought 2 dozen oranges at 745 per dozen. Thirteen oranges were found rotten At what rate
should he sell each orange to gain 10%?
F.
PI
SIMPLE INTEREST
The interest rate (rate of interest) is an appen