Foundation Plus
10th August 1980
- 1Real Life and Distance Time Graphs2 marks
Sanjay drives 120 km in 3 hours. Work out the average speed in km/h.
- 2Spheres and Cones3 marks
A sphere has radius 18 cm. Work out its volume, leaving your answer in terms of pi.
- 3Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 18 in B only, 5 in both and 6 in neither. Work out the probability a random one is in both.
- 4Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 0 < x <= 5. The frequencies in order are 21, 3, 7, 11, 16. Write down the modal class.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.666... as a fraction in its simplest form.
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