Daily Practice
Foundation Plus
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27th September 1975
- 1Capture Recapture3 marks
50 voles are marked and released. Later 25 are caught, of which 5 are marked. Estimate the population.
- 2Indices2 marks
Write 6^4 x 6^3 as a single power of 6.
- 3Changing the Subject of a Formula3 marks
Make x the subject of y = 9x + 12.
- 4Ratio2 marks
Red and blue raffle tickets are in the ratio 5 : 6. There are 55 red raffle tickets. How many raffle tickets are there altogether?
- 5Spheres and Cones3 marks
A cone has base radius 9 cm and vertical height 24 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 September 1975, including the monthly compilation PDF.