Daily Practice

Higher

23rd September 1971

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

1
Probability Trees3 marks
4 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Histograms2 marks
A histogram class is 5 units wide and contains 15 values. Work out the frequency density.
3
Standard Form3 marks
Work out (20 x 10^6) / (5 x 10^5). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 20x^2 - 29x + 6.
5
Repeated Percentage Change3 marks
A town's population is 4000 and grows by 5% each year. Work out the population after 4 years, to the nearest whole number.

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