Daily Practice

Higher

27th November 1986

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 5 units wide and contains 20 values. Work out the frequency density.
3
Standard Form3 marks
Work out (10 x 10^12) / (5 x 10^2). Give your answer in standard form.
4
Equation of a Line3 marks
A line has gradient -1 and passes through (2, -6). Work out its equation.
5
Repeated Percentage Change3 marks
A town's population is 40000 and grows by 6% each year. Work out the population after 3 years, to the nearest whole number.

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