Foundation Plus
11th December 1989
- 1Probability Trees3 marks
A bag holds 2 red and 4 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 5 < x <= 10. The frequencies in order are 21, 11, 7, 16, 3. Write down the modal class.
- 3Prime Factors, HCF and LCM3 marks
Write 36 as a product of its prime factors, using index form.
- 4Inequalities on Graphs3 marks
Does the point (2, -17) satisfy y > -4x - 4?
- 5Repeated Percentage Change3 marks
A town's population is 15000 and grows by 6% each year. Work out the population after 4 years, to the nearest whole number.
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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.