Daily Practice · Higher

Daily Practice - Higher

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

29th December 2005

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

1
Probability Trees3 marks
2 of 10 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 4 units wide and contains 16 values. Work out the frequency density.
3
Standard Form2 marks
Work out (8 x 10^6) x (9 x 10^-3). Give your answer in standard form.
4
Simultaneous Equations3 marks
4 teas and 1 cake cost £12.10. 2 teas and 5 cakes cost £17.30. Find the price of a tea.
5
Repeated Percentage Change3 marks
A town's population is 30500 and grows by 8% each year. Work out the population after 6 years, to the nearest whole number.

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