Foundation Plus
26th October 1990
- 1Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 5 < x <= 10. The frequencies in order are 16, 3, 21, 11, 7. Write down the modal class.
- 2Indices2 marks
Write 7^4 x 7^3 as a single power of 7.
- 3Solving Simultaneous Equations Graphically3 marks
The lines y = -3x + 17 and y = 3x - 13 are drawn. Write down the coordinates of the point where they cross.
- 4Scale Drawings2 marks
A map has a scale of 1 : 25000. Two villages are 13.5 cm apart on the map. How far apart are they in real life, in km?
- 5Spheres and Cones3 marks
A cone has base radius 9 cm and vertical height 18 cm. Work out its volume, leaving your answer in terms of pi.
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