Foundation Plus
31st July 1975
- 1Inequalities on Graphs3 marks
Does the point (1, -10) satisfy y > 4x - 8?
- 2Speed and Density2 marks
A block has volume 175 cm^3 and density 8 g/cm^3. Work out its mass.
- 3Pythagoras2 marks
A right-angled triangle has a hypotenuse of 20 cm and one shorter side of 16 cm. Work out the other shorter side.
- 4Probability Trees3 marks
A bag holds 4 red and 8 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 10 < x <= 15. The frequencies in order are 11, 21, 3, 7, 16. Write down the modal class.
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