Daily Practice

Higher

1st January 1986

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

1
Conditional Probability3 marks
13 students study Spanish and 5 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, 10, 11, 12. Write down the cumulative frequency at the end of the third class.
3
Standard Form3 marks
Work out (15 x 10^7) / (5 x 10^2). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 + 5x - 7 = 0, to 2 decimal places.
5
Speed and Density2 marks
A block has volume 90 cm^3 and density 7.5 g/cm^3. Work out its mass.

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