Foundation Plus
5th September 1980
- 1Probability Trees3 marks
A bag holds 4 red and 7 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Frequency Trees3 marks
160 people were surveyed. 90 were adults, of whom 15 said yes. 15 of the children said yes. How many said yes altogether?
- 3Prime Factors, HCF and LCM3 marks
Write 120 as a product of its prime factors, using index form.
- 4Simultaneous Equations3 marks
5 teas and 2 cakes cost £8.90. 1 tea and 5 cakes cost £8.45. Find the price of a tea.
- 5Proportion2 marks
8 identical batteries cost £18.00. Work out the cost of 4 of the same batteries.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1980, including the monthly compilation PDF.