Higher Plus
7th December 1953
- 13d Pythagoras and Trigonometry3 marks
A cuboid measures 9 cm by 7 cm by 14 cm tall. Work out the angle between its longest internal diagonal and the base, to 1 decimal place.
- 2Conditional Probability3 marks
A bag holds 3 red and 6 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 15-wide bar have the same frequency density of 3. How many more values are in the wider class?
- 4Bounds3 marks
A block has mass 770 g (to the nearest 10 g) and volume 15 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.
- 5Algebraic Fractions3 marks
Write 3/(x + 2) + 4/(x - 4) as a single fraction.
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 1953, including the monthly compilation PDF.