Daily Practice

Higher

20th July 1989

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

1
Conditional Probability3 marks
21 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Histograms2 marks
A histogram class is 4 units wide and contains 12 values. Work out the frequency density.
3
Standard Form2 marks
Work out (7 x 10^4) x (8 x 10^-3). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 - 6x - 1 = 0, to 2 decimal places.
5
Repeated Percentage Change3 marks
A town's population is 3500 and grows by 4% each year. Work out the population after 5 years, to the nearest whole number.

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