Daily Practice
Foundation Plus
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21st August 1975
- 1Probability Trees3 marks
A bag holds 5 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
- 2Box Plots2 marks
A box plot has minimum 15, lower quartile 24, median 28, upper quartile 38 and maximum 40. Work out the interquartile range.
- 3Indices1 mark
Write down the value of 8^0.
- 4Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 44/x, work out y when x = -4, and write down the equation of its vertical asymptote.
- 5Speed and Density2 marks
A block has volume 75 cm^3 and density 7.5 g/cm^3. Work out its mass.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1975, including the monthly compilation PDF.