Daily Practice - Foundation Plus
17th February 1997
- 1Forming and Solving Equations3 marks
The angles in a triangle are 2x°, x° and (x + 48)°. Form an equation and work out x.
- 2Repeated Percentage Change3 marks
A town's population is 6500 and grows by 6% each year. Work out the population after 4 years, to the nearest whole number.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 17 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 50 times. How many heads would you expect?
- 5Box Plots2 marks
A box plot has a minimum of 13 and a maximum of 67. Work out the range.
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