Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

18th January 2001

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

1
Conditional Probability3 marks
24 students study Spanish and 12 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 10 units wide and contains 20 values. Work out the frequency density.
3
Surds2 marks
Write sqrt(27) in the form a sqrt(b), where b is as small as possible.
4
Solving Quadratics3 marks
Solve x^2 + 4x + 3 = 0.
5
Repeated Percentage Change3 marks
A town's population is 14500 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.

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