Daily Practice · Higher

Daily Practice - Higher

14th February 1996

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
15 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 4, 3, 3, 5. Write down the cumulative frequency at the end of the third class.
3
Standard Form3 marks
Work out (64 x 10^8) / (8 x 10^2). Give your answer in standard form.
4
Quadratic Formula3 marks
Work out the discriminant of x^2 - 6x + 12 = 0 and say how many real solutions it has.
5
Speed and Density2 marks
A block has volume 80 cm^3 and density 7.5 g/cm^3. Work out its mass.

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