Daily Practice
Higher
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30th June 1953
- 1Capture Recapture3 marks
60 voles are marked and released. Later 9 are caught, of which 3 are marked. Estimate the population.
- 2Surds2 marks
Write sqrt(98) in the form a sqrt(b), where b is as small as possible.
- 3Changing the Subject of a Formula3 marks
Make x the subject of y = 6x^2 - 4.
- 4Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 7 : 9. Write y in terms of x.
- 5Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 123°. 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 1953, including the monthly compilation PDF.