Daily Practice

Higher

8th June 1989

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

1
Probability Trees3 marks
4 of 7 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 2 units wide and contains 6 values. Work out the frequency density.
3
Standard Form3 marks
Work out (28 x 10^11) / (7 x 10^5). Give your answer in standard form.
4
Simultaneous Equations3 marks
3 teas and 2 cakes cost £10.15. 2 teas and 5 cakes cost £15.75. Find the price of a tea.
5
Repeated Percentage Change3 marks
A town's population is 8000 and grows by 3% each year. Work out the population after 4 years, to the nearest whole number.

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