Daily Practice · Higher

Daily Practice - Higher

12th March 1994

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 28. Work out y when x = 4.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 20 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
25 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Box Plots2 marks
A box plot has minimum 10, lower quartile 13, median 23, upper quartile 28 and maximum 34. Work out the interquartile range.
5
Standard Form3 marks
Work out (72 x 10^8) / (8 x 10^5). Give your answer in standard form.

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