Daily Practice - Foundation Plus
12th October 1993
- 1Simultaneous Equations3 marks
2 teas and 3 cakes cost £12.55. 2 teas and 2 cakes cost £9.80. Find the price of a tea.
- 2Compound Interest and Depreciation3 marks
£4300 is invested at 3% compound interest per year. Work out the value after 3 years, to the nearest penny.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 23 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 50 times. How many heads would you expect?
- 5Frequency Trees3 marks
160 people were surveyed. 30 were adults, of whom 10 said yes. 35 of the children said yes. How many said yes altogether?
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