Daily Practice

Foundation Plus

10th February 1987

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
Compound Interest and Depreciation3 marks
£4800 is invested at 2% compound interest per year. Work out the value after 5 years, to the nearest penny.
3
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 5 cm and one shorter side of 4 cm. Work out the other shorter side.
4
Probability Trees3 marks
A bag holds 3 red and 5 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
5
Box Plots2 marks
A box plot has minimum 15, lower quartile 24, median 29, upper quartile 36 and maximum 39. Work out the interquartile range.

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