# Exam-style Questions: Percentages

1. a) Work out 2/3; of £4.56.

(2 marks)

b) A travel firm offers a discount of 12% on a holiday costing £490. Work out the amount of the discount.

(2 marks)

c) Three tins of dog food cost £1.38. What will 8 tins of the same dog food cost?

(3 marks)

d) Use your calculator to multiply 450,000 by 800,000.

(1 mark)

(Marks available: 8)

Answer outline and marking scheme for question: 1

a) £3.04

b) £58.80

c) £3.68

d) 3.6 x 1011

(Marks available: 8)

2. A French supermarket buys coffee for 25.80 francs per kilogram.

a) The supermarket sells the coffee to make a profit of 60%.

Calculate the selling price of one kilogram of coffee.

(3 marks)

b) A British importer also buys the coffee at 25.80 francs per kilogram.

The exchange rate is £1= 9.63 francs.

Caculate the cost of one kilogram of coffee in British money.

(3 marks)

(Marks available: 6)

Answer outline and marking scheme for question: 2

a) 41.28 francs

b) £2.68

(Marks available: 8)

3. An electricity company supplies electricity to a family with the following charges:

Standing charge: 9.13 pence

Electricity used: 6.19 pence per unit

VAT of 5% is added to the total

The green family receives a bill for 91 days. In that time they used a total of 1272 units of electricity. Calculate the amount that the Greens have to pay.

(Marks available: 5)

Answer outline and marking scheme for question: 3

£91.40 or £91.39

(Marks available: 8)

4. a) Kelly invested £450 for 3 years at a rate of 6% per year compound interest.

Calculate the total amount that the investment is worth at the end of the 3 years.

(3 marks)

b) Kelly decides to buy a television.

After a reduction of 15% in the sale, the one she bought cost her £319.60.

What was the original price of the television?

(3 marks)

(Marks available: 6)

Answer outline and marking scheme for question: 4

a) £535.95 or £535.96

b) £376

(Marks available: 8)