Higher Plus
27th December 1972
- 13d Pythagoras and Trigonometry3 marks
A cuboid measures 14 cm by 11 cm by 4 cm tall. Work out the angle between its longest internal diagonal and the base, to 1 decimal place.
- 2Conditional Probability3 marks
A bag holds 5 red and 5 blue counters. Two are taken without replacement. Given the first was red, what is the probability the second is blue?
- 3Histograms2 marks
On a histogram, a 5-wide bar and a 10-wide bar have the same frequency density of 3. How many more values are in the wider class?
- 4Bounds3 marks
A rectangle is 12 cm by 28 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 5Iteration3 marks
Use the iteration x(n+1) = cube root of (6x(n) + 5) with x(0) = 2. Work out x(1) to 3 decimal places.
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 Plus sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1972, including the monthly compilation PDF.