Foundation Plus
23rd December 1979
- 1Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 30 < x <= 40. The frequencies in order are 21, 3, 7, 16, 11. Write down the modal class.
- 2Indices2 marks
Write 8^9 x 8^3 as a single power of 8.
- 3Solving Simultaneous Equations Graphically3 marks
The lines y = 3x + 7 and y = 4x + 7 are drawn. Write down the coordinates of the point where they cross.
- 4Real Life and Distance Time Graphs2 marks
Ade drives 180 km in 4 hours. Work out the average speed in km/h.
- 5Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 21 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 December 1979, including the monthly compilation PDF.