Daily Practice

Higher

10th August 1985

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

1
Conditional Probability3 marks
13 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 11, lower quartile 15, median 25, upper quartile 30 and maximum 38. Work out the interquartile range.
3
Reverse Percentages3 marks
A bill is £864 including VAT at 20%. Work out the amount before VAT.
4
Quadratic Formula3 marks
Work out the discriminant of x^2 - x + 10 = 0 and say how many real solutions it has.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 50. Work out y when x = 4.

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.

Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1985, including the monthly compilation PDF.