Daily Practice

Higher

9th April 1981

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

1
Conditional Probability3 marks
16 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Histograms2 marks
A histogram class is 4 units wide and contains 12 values. Work out the frequency density.
3
Reverse Percentages3 marks
A bill is £624 including VAT at 20%. Work out the amount before VAT.
4
Quadratic Formula3 marks
Work out the discriminant of 3x^2 - 7x + 6 = 0 and say how many real solutions it has.
5
Repeated Percentage Change3 marks
A town's population is 17500 and grows by 8% each year. Work out the population after 6 years, to the nearest whole number.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1981, including the monthly compilation PDF.