Daily Practice · Higher

Daily Practice - Higher

19th December 1991

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

1
Probability Trees3 marks
5 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 4 values. Work out the frequency density.
3
Standard Form3 marks
Work out (63 x 10^11) / (9 x 10^5). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 8x^2 + 6x + 1.
5
Repeated Percentage Change3 marks
A town's population is 7500 and grows by 6% each year. Work out the population after 5 years, to the nearest whole number.

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