Daily Practice
Higher
← All tiers
18th January 1983
- 1Capture Recapture3 marks
40 voles are marked and released. Later 42 are caught, of which 7 are marked. Estimate the population.
- 2Reverse Percentages3 marks
A bill is £576 including VAT at 20%. Work out the amount before VAT.
- 3Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x - 4)(x - 5).
- 4Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 7 : 9. Write y in terms of x.
- 5Pythagoras2 marks
A right-angled triangle has a hypotenuse of 13 cm and one shorter side of 5 cm. Work out the other shorter side.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1983, including the monthly compilation PDF.