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Daily Practice

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15th February 1990

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

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  1. 1
    Probability Trees3 marks

    4 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

  2. 2
    Histograms2 marks

    A histogram class is 5 units wide and contains 10 values. Work out the frequency density.

  3. 3
    Reverse Percentages3 marks

    A bill is £288 including VAT at 20%. Work out the amount before VAT.

  4. 4
    Factorising Harder Quadratics3 marks

    Factorise 8x^2 + 6x + 1.

  5. 5
    Repeated Percentage Change3 marks

    A town's population is 18000 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.

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