Foundation Plus
30th January 1960
- 1Probability Trees3 marks
A bag holds 3 red and 3 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Frequency Trees3 marks
160 people were surveyed. 80 were adults, of whom 40 said yes. 15 of the children said yes. How many said yes altogether?
- 3Prime Factors, HCF and LCM3 marks
Write 126 as a product of its prime factors, using index form.
- 4Simultaneous Equations3 marks
4 teas and 1 cake cost £7.75. 3 teas and 5 cakes cost £14.10. Find the price of a tea.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 30. Work out y when x = 7.
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