Page 121 - ICSE Math 8

PRACTICE TIME

1. A shopkeeper bought locks at the rate of 6 locks for ` 255 and sold them at the rate of 8 locks for ` 380.
Find his profit per cent.
2. On selling tea at ` 180 per kg, a shopkeeper loses 10%. Find the quantity of tea sold if the total loss
incurred is ` 100.
3. Ravi sold his car to Sunil at a loss of 28%. Sunil spent ` 5,040 on its repairs and sold the car to Rahul
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for ` 1,07,730, thereby making a profit of 12 % . Find the cost of the car for Ravi.
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4. Rahul bought two televisions for ` 30,000. By selling one at a loss of 15% and the other at a gain of 19%,
he found that the selling price of both the televisions is the same. Find the cost price of each television.
5. Find a single discount equivalent to three successive discounts of 10%, 5% and 4%.
6. Find the selling price of an article whose list price is ` 9,781.50 and which is sold after three successive
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discounts of 20%, 12 % and 5%.
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7. A publisher supplies books to a bookseller at 20% discount on the list price of ` 15,748. If the bookseller
sells books at the list price and if his expenses for freight, etc., are ` 454, find his profit.
8. Which is more favourable to a buyer and by how much—` 3,000 with 14% discount or the same amount
with two successive discounts of 10% and 5%?
9. Rama purchased a second-hand car for ` 95,650. He spent ` 12,000 on its repairs and accessories. He
also paid an insurance amount of ` 2,350. He then sold it to his friend for ` 1,21,000. Find his profit or
loss per cent. What things should we always check before buying second-hand vehicles?

THINK SMART

1. After getting two successive discounts, Shalini got a scarf at ` 136 whose marked price is ` 200. If the
second discount is 15%, find the first discount.

2. The M.P. of a shirt is ` 1000. A shopkeeper offers two successive discounts of 10% and 20%. Another
shopkeeper offers a flat 29% discount on the same shirt. Which is the better deal?
3. Jignesh fixes the sale price of his mobiles at 15% above the cost price. He sells all his mobiles at 12%
less than the fixed price. What is his profit per cent?

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