Foundation Plus
22nd February 1982
- 1Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 40 < x <= 50. The frequencies in order are 16, 11, 21, 3, 7. Write down the modal class.
- 2Indices2 marks
Write 8^6 / 8^3 as a single power of 8.
- 3Solving Simultaneous Equations Graphically3 marks
The lines y = -3x + 11 and y = x - 1 are drawn. Write down the coordinates of the point where they cross.
- 4Real Life and Distance Time Graphs3 marks
A coach travels 20 km in 0.5 hours, then 50 km in 1 hour. Work out the average speed for the whole journey, to 1 decimal place.
- 5Spheres and Cones3 marks
A cone has base radius 6 cm and vertical height 12 cm. Work out its volume, leaving your answer in terms of pi.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1982, including the monthly compilation PDF.