Daily Practice
Higher
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15th June 1965
- 1Capture Recapture3 marks
40 voles are marked and released. Later 24 are caught, of which 8 are marked. Estimate the population.
- 2Bounds2 marks
A mass is 21.7 kg, correct to 1 decimal place. Write down the upper bound.
- 3Changing the Subject of a Formula3 marks
Make x the subject of y = 4x^2 - 12.
- 4Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 5. Write y in terms of x.
- 5Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 54°. Work out angle ADC.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1965, including the monthly compilation PDF.