Daily Practice
Higher
← All tiers
14th April 1979
- 1Probability Trees3 marks
2 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Box Plots2 marks
A box plot has minimum 13, lower quartile 17, median 23, upper quartile 27 and maximum 36. Work out the interquartile range.
- 3Reverse Percentages3 marks
A bill is £624 including VAT at 20%. Work out the amount before VAT.
- 4Equation of a Line3 marks
A line has gradient -3 and passes through (6, -23). Work out its equation.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 32. Work out y when x = 8.
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
Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1979, including the monthly compilation PDF.