Daily Practice

Foundation Plus

22nd August 1989

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -16/x, work out y when x = -2, and write down the equation of its vertical asymptote.
2
Compound Interest and Depreciation3 marks
£1200 is invested at 2.5% compound interest per year. Work out the value after 5 years, to the nearest penny.
3
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 24 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 200 times. How many heads would you expect?
5
Box Plots2 marks
A box plot has minimum 6, lower quartile 8, median 16, upper quartile 21 and maximum 28. Work out the interquartile range.

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