Foundation Plus
30th September 1972
- 1Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 10 < x <= 20. The frequencies in order are 21, 16, 7, 3, 11. Write down the modal class.
- 2Standard Form2 marks
Work out (2 x 10^5) x (4 x 10^6). Give your answer in standard form.
- 3Solving Simultaneous Equations Graphically3 marks
The lines y = -4x - 14 and y = -x - 5 are drawn. Write down the coordinates of the point where they cross.
- 4Ratio2 marks
Red and blue marbles are in the ratio 5 : 7. There are 75 red marbles. How many marbles are there altogether?
- 5Volume of a Prism2 marks
A cuboid measures 3 cm by 15 cm by 11 cm. Work out its volume.
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