Daily Practice

Foundation Plus

19th February 1983

5 questions · 13 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
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 14. Work out y when x = 4.
3
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 29 cm^2. Work out the area of the larger.
4
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 100 times. How many heads would you expect?
5
Box Plots2 marks
A box plot has minimum 15, lower quartile 18, median 28, upper quartile 32 and maximum 39. Work out the interquartile range.

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