Daily Practice
Foundation Plus
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17th November 1990
- 1Loci and Construction2 marks
A goat is tied to a post in an open field by a rope 11 m long. Describe the region of grass it can reach.
- 2Probability (Higher)3 marks
Two independent events have probabilities 1/3 and 1/3. Work out the probability that both happen.
- 3Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 15 < x <= 20. The frequencies in order are 16, 11, 21, 7, 3. Write down the modal class.
- 4Fractional and Negative Indices2 marks
Write 8^-1 as a fraction.
- 5Expanding and Factorising2 marks
Factorise fully 30x + 18.
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