Daily Practice
Higher
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30th July 1987
- 1Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 68°. Work out angle ADC.
- 2Probability Trees3 marks
A bag holds 7 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Histograms2 marks
A histogram class is 10 units wide and contains 20 values. Work out the frequency density.
- 4Fractional and Negative Indices2 marks
Write 5^-1 as a fraction.
- 5Changing the Subject of a Formula3 marks
Make x the subject of y = 2x^2 - 10.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1987, including the monthly compilation PDF.