Foundation Plus
3rd March 1983
- 1Inequalities on Graphs3 marks
Does the point (2, 11) satisfy y > x + 1?
- 2Speed and Density2 marks
A block has volume 30 cm^3 and density 4 g/cm^3. Work out its mass.
- 3Pythagoras2 marks
A right-angled triangle has a hypotenuse of 41 cm and one shorter side of 40 cm. Work out the other shorter side.
- 4Probability 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.
- 5Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 20 < x <= 25. The frequencies in order are 7, 16, 11, 3, 21. Write down the modal class.
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