Daily Practice
Foundation Plus
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10th February 1973
- 1Reverse Percentages3 marks
A bill is £192 including VAT at 20%. Work out the amount before VAT.
- 2Expanding Triple Brackets3 marks
Expand and simplify (x - 1)(x + 5)(x + 4).
- 3Compound Interest and Depreciation3 marks
A van is worth £17000. It depreciates by 10% each year. Work out its value after 2 years, to the nearest penny.
- 4Vectors3 marks
a is the column vector (-6, -1) and b is (0, -3). Work out 3a - 5b as a column vector.
- 5Probability (Higher)3 marks
Two independent events have probabilities 1/5 and 1/2. Work out the probability that both happen.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1973, including the monthly compilation PDF.