Daily Practice

Higher

20th January 1971

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
23 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 8, 6, 4, 11. Write down the cumulative frequency at the end of the third class.
3
Surds2 marks
Write sqrt(12) in the form a sqrt(b), where b is as small as possible.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - x + 2, work out y when x = 5.
5
Speed and Density2 marks
A block has volume 125 cm^3 and density 2.5 g/cm^3. Work out its mass.

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