Daily Practice
Foundation Plus
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14th July 1978
- 1Reverse Percentages3 marks
A bill is £120 including VAT at 20%. Work out the amount before VAT.
- 2Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x - 1)(x - 4).
- 3Writing a Ratio as a Fraction or Linear Function2 marks
In a club the ratio of girls to boys is 4 : 7. What fraction of the club are girls?
- 4Vectors3 marks
a is the column vector (5, 0) and b is (0, 1). Work out 2a - 5b as a column vector.
- 5Probability (Higher)3 marks
Two independent events have probabilities 1/4 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 July 1978, including the monthly compilation PDF.