Daily Practice

Higher

6th December 1990

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

1
Conditional Probability3 marks
17 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 2 units wide and contains 8 values. Work out the frequency density.
3
Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.
4
Solving Quadratics3 marks
Solve x^2 - 6x - 27 = 0.
5
Repeated Percentage Change3 marks
A town's population is 6500 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.

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