Daily Practice · Higher

Daily Practice - Higher

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

26th June 1997

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

1
Probability Trees3 marks
2 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 1 values. Work out the frequency density.
3
Fractional and Negative Indices2 marks
Write 4^-3 as a fraction.
4
Factorising Harder Quadratics3 marks
Factorise 8x^2 + 10x - 3.
5
Repeated Percentage Change3 marks
A town's population is 30500 and grows by 4% each year. Work out the population after 3 years, to the nearest whole number.

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