Daily Practice - Foundation Plus
12th August 1991
- 1Simultaneous Equations3 marks
5 teas and 2 cakes cost £8.10. 4 teas and 4 cakes cost £10.80. Find the price of a tea.
- 2Repeated Percentage Change3 marks
A town's population is 14000 and grows by 6% each year. Work out the population after 5 years, to the nearest whole number.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 7 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 100 times. How many heads would you expect?
- 5Frequency Trees3 marks
170 people were surveyed. 80 were adults, of whom 5 said yes. 25 of the children said yes. How many said yes altogether?
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