Daily Practice
Higher
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18th February 1971
- 1Pythagoras2 marks
A right-angled triangle has a hypotenuse of 20 cm and one shorter side of 12 cm. Work out the other shorter side.
- 2Venn Diagrams3 marks
In a Venn diagram, 14 are in A only, 5 in B only, 5 in both and 4 in neither. Work out the probability a random one is in both.
- 3Histograms2 marks
A histogram class is 4 units wide and contains 10 values. Work out the frequency density.
- 4Fractional and Negative Indices2 marks
Write 4^-1 as a fraction.
- 5Expanding Triple Brackets3 marks
Expand and simplify (x - 3)(x + 5)(x - 4).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1971, including the monthly compilation PDF.