Daily Practice

Foundation Plus

19th December 1980

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -20/x, work out y when x = -10, and write down the equation of its vertical asymptote.
2
Proportion2 marks
3 identical pens cost £4.80. Work out the cost of 3 of the same pens.
3
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 26 cm^2. Work out the area of the larger.
4
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 50 times. How many heads would you expect?
5
Box Plots2 marks
A box plot has minimum 12, lower quartile 21, median 28, upper quartile 36 and maximum 44. Work out the interquartile range.

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