Foundation Plus
12th July 1990
- 1Simultaneous Equations3 marks
3 teas and 2 cakes cost £10.90. 1 tea and 4 cakes cost £13.30. Find the price of a tea.
- 2Speed and Density2 marks
A block has volume 175 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 12 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 500 times. How many heads would you expect?
- 5Frequency Trees3 marks
130 people were surveyed. 70 were adults, of whom 5 said yes. 15 of the children said yes. How many said yes altogether?
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