Quiz (Calculator): Percentages and Compounding
Percentages and Compounding Module Quiz
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This quiz consists of 11 questions which you may attempt with the aid of a calculator where necessary. All questions must be attempted in order to complete the quiz.
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Question 1 of 11
Question 1
The population of the UK was 66,650,000 at the beginning of 2020. By 2021, the population is forecast to have grown by 2%. What is the forecast population of the UK in 2021?
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Question 2 of 11
Question 2
Bill buys stocks in Amazon worth £50,000. One year later, Amazon stock has fallen by 12%. How much is Bill’s Amazon holding now worth?
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Question 3 of 11
Question 3
Callum originally purchased a rare bottle of whisky for £2,000. He recently took the bottle to a broker who valued it at £3,160. By what percentage has the value of Callum’s bottle increased?
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Question 4 of 11
Question 4
David originally purchased a classic Aston Martin for £1,200,000. Unfortunately, the market for classic cars took a downturn and his car fell in value to £864,000. By what percentage has the value of David’s Aston Martin decreased?
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Question 5 of 11
Question 5
Andrew’s financial advisor buys stocks in Facebook on his behalf worth £30,000.
One year later, he tells Andrew his Facebook stocks have increased in value by 24%.
One year after that, he tells Andrew that his Facebook stocks have increased a further 40% on top of the last valuation.
Overall, by what percentage has the value of Andrew’s Facebook stocks increased?
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Question 6 of 11
Question 6
The population of Makebelieve City was 8,200 in 2017. In 2018 the population increased by 30%, but the following year in 2019 it decreased by 25%. Find the net percentage increase or decrease in the population over this time.
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Question 7 of 11
Question 7
30 grams of breakfast cereal contains 16.2mg of vitamin C which is 24% of the recommended daily vitamin C intake. What is the total recommended daily vitamin C intake?
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Question 8 of 11
Question 8
Three years after Jason purchased a second hand car, its value had fallen by 75% to £4,000. What was it worth when he originally purchased it?
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Question 9 of 11
Question 9
Emily purchased a painting as a long-term investment. At the time of purchase, the painting was valued at £25,000 and expected to increase in value by 15% per year. Assuming the painting does increase in value at this rate, what would it be worth in 4 years’ time? Round your answer to the nearest £.
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Question 10 of 11
Question 10
A colony of insects is increasing in number at a rate of 25% per week. There were originally 2,000 insects. Calculate the number of insects in the colony after 14 days.
Enter your answer in the box below:
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Question 11 of 11
Question 11
A rich businessman buys a yacht for £4,000,000. The yacht depreciates in value at a rate of 18% per year. Calculate to the nearest £ how much the businessman will have lost if he sells his yacht 4 years later.
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