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

    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.

    Give your answer to an appropriate degree of accuracy.

    (3 marks)

    (Marks available: 6)

    Answer

    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

    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

    Answer outline and marking scheme for question: 4

    a) £535.95 or £535.96

    b) £376

    (Marks available: 8)