Daily Practice
Higher
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9th February 1983
- 1Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 96°. Work out angle ADC.
- 2Probability Trees3 marks
A bag holds 10 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Cumulative Frequency2 marks
Four classes in order have frequencies 5, 11, 10, 12. Write down the cumulative frequency at the end of the third class.
- 4Reverse Percentages3 marks
A bill is £408 including VAT at 20%. Work out the amount before VAT.
- 5Changing the Subject of a Formula3 marks
Make x the subject of y = 4x^2 - 11.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1983, including the monthly compilation PDF.