Daily Practice

Higher

30th May 1985

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
21 students study Spanish and 11 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 10 values. Work out the frequency density.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.5151... as a fraction in its simplest form.
4
Solving Quadratics3 marks
Solve x^2 + 3x - 40 = 0.
5
Repeated Percentage Change3 marks
A town's population is 30000 and grows by 5% each year. Work out the population after 6 years, to the nearest whole number.

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