Daily Practice · Higher

Daily Practice - Higher

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

3rd September 2009

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 2 units wide and contains 5 values. Work out the frequency density.
3
Standard Form3 marks
Work out (10 x 10^7) / (2 x 10^3). Give your answer in standard form.
4
Simultaneous Equations3 marks
5 teas and 3 cakes cost £14.60. 2 teas and 4 cakes cost £9.20. Find the price of a tea.
5
Repeated Percentage Change3 marks
A town's population is 17000 and grows by 8% each year. Work out the population after 3 years, to the nearest whole number.

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