Daily Practice

Higher

26th July 1973

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

1
Probability Trees3 marks
6 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 20 units wide and contains 30 values. Work out the frequency density.
3
Fractional and Negative Indices3 marks
Work out 216^(2/3).
4
Factorising Harder Quadratics3 marks
Factorise 5x^2 - 31x + 6.
5
Repeated Percentage Change3 marks
A town's population is 5500 and grows by 8% each year. Work out the population after 4 years, to the nearest whole number.

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