Daily Practice
Foundation Plus
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16th April 1983
- 1Loci and Construction2 marks
A goat is tied to a post in an open field by a rope 12 m long. Describe the region of grass it can reach.
- 2Probability (Higher)3 marks
Two independent events have probabilities 1/4 and 1/4. Work out the probability that both happen.
- 3Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 40 < x <= 50. The frequencies in order are 11, 7, 21, 16, 3. Write down the modal class.
- 4Fractional and Negative Indices2 marks
Write 9^-2 as a fraction.
- 5Expanding and Factorising2 marks
Factorise fully 40x + 48.
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