Foundation Plus
15th October 1969
- 1Probability Trees3 marks
A bag holds 9 red and 2 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 8, 7, 10, 9. Write down the cumulative frequency at the end of the third class.
- 3Prime Factors, HCF and LCM3 marks
Write 150 as a product of its prime factors, using index form.
- 4Drawing Linear Graphs3 marks
A line has equation y = 6x - 24. Write down where it crosses the x-axis and where it crosses the y-axis.
- 5Percentages2 marks
Tomasz scored 21 out of 25 in a test. What percentage is this?
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