Daily Practice
Foundation Plus
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23rd July 1960
- 1Capture Recapture3 marks
40 newts are marked and released. Later 36 are caught, of which 6 are marked. Estimate the population.
- 2Indices2 marks
Write 5^9 / 5^2 as a single power of 5.
- 3Changing the Subject of a Formula3 marks
Make x the subject of y = 3x + 3.
- 4Ratio2 marks
Red and blue marbles are in the ratio 2 : 7. There are 14 red marbles. How many marbles are there altogether?
- 5Spheres and Cones3 marks
A cone has base radius 10 cm and vertical height 9 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 July 1960, including the monthly compilation PDF.