Daily Practice

Higher

20th October 1976

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

1
Conditional Probability3 marks
18 students study Spanish and 4 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 5, 7, 12, 10. Write down the cumulative frequency at the end of the third class.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
4
Quadratic Formula3 marks
Work out the discriminant of 2x^2 + 5x + 9 = 0 and say how many real solutions it has.
5
Speed and Density2 marks
A block has volume 10 cm^3 and density 2.5 g/cm^3. Work out its mass.

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