Daily Practice

Higher

22nd July 1978

5 questions · 13 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 = 3, y = 72. Work out y when x = 7.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 4 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
23 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 9, lower quartile 18, median 20, upper quartile 30 and maximum 38. Work out the interquartile range.
5
Bounds2 marks
A mass is 41 kg, correct to the nearest whole number. Write down the lower bound.

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