Daily Practice
Foundation Plus
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30th March 1982
- 1Capture Recapture3 marks
10 fish are marked and released. Later 40 are caught, of which 8 are marked. Estimate the population.
- 2Indices2 marks
Write 8^12 x 8^2 as a single power of 8.
- 3Changing the Subject of a Formula3 marks
Make x the subject of y = 2x + 13.
- 4Writing and Simplifying Ratio2 marks
Write the ratio 3 : 9 in the form 1 : n.
- 5Spheres and Cones3 marks
A cone has base radius 3 cm and vertical height 15 cm. Work out its volume, leaving your answer in terms of pi.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1982, including the monthly compilation PDF.