Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
2nd September 1999
- 1Conditional Probability3 marks
28 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Histograms2 marks
A histogram class is 2 units wide and contains 5 values. Work out the frequency density.
- 3Standard Form2 marks
Work out (3 x 10^7) x (8 x 10^-2). Give your answer in standard form.
- 4Quadratic Formula3 marks
Work out the discriminant of 3x^2 + 7x + 10 = 0 and say how many real solutions it has.
- 5Repeated 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.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent Higher sheets
Every sheet is deterministic: the same date always regenerates the same five questions. All of September 1999, including the monthly compilation PDF.