Daily Practice
Foundation Plus
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14th February 1987
- 1Capture Recapture3 marks
15 newts are marked and released. Later 24 are caught, of which 3 are marked. Estimate the population.
- 2Indices2 marks
Write (2^4)^2 as a single power of 2.
- 3Changing the Subject of a Formula3 marks
Make x the subject of y = 3x + 14.
- 4Ratio2 marks
Red and blue marbles are in the ratio 5 : 9. There are 20 red marbles. How many marbles are there altogether?
- 5Cylinders2 marks
A cylinder has radius 5 cm and height 6 cm. Work out its curved surface area, to 1 decimal place.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1987, including the monthly compilation PDF.