Daily Practice
Higher
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30th August 1981
- 1Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 65°. Work out angle ADC.
- 2Probability Trees3 marks
A bag holds 4 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Box Plots2 marks
A box plot has a minimum of 2 and a maximum of 40. Work out the range.
- 4Reverse Percentages3 marks
A bill is £48 including VAT at 20%. Work out the amount before VAT.
- 5Changing the Subject of a Formula3 marks
Make x the subject of y = 5x^2 - 4.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1981, including the monthly compilation PDF.