Higher
7th December 1989
- 1Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.111... as a fraction in its simplest form.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 4x + 4, work out y when x = -1.
- 3Repeated Percentage Change3 marks
A town's population is 38000 and grows by 4% each year. Work out the population after 2 years, to the nearest whole number.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 3 cm and angle 120°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
22 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1989, including the monthly compilation PDF.