Foundation Plus
4th October 1990
- 1Inequalities on Graphs3 marks
Does the point (2, 9) satisfy y > 2x + 4?
- 2Speed and Density2 marks
A block has volume 185 cm^3 and density 2.5 g/cm^3. Work out its mass.
- 3Pythagoras2 marks
A right-angled triangle has a hypotenuse of 5 cm and one shorter side of 4 cm. Work out the other shorter side.
- 4Probability Trees3 marks
A bag holds 4 red and 5 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 0 < x <= 5. The frequencies in order are 3, 21, 16, 7, 11. Write down the modal class.
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