Higher Plus
21st September 1979
- 1Velocity Time Graphs2 marks
A train slows steadily from 18 m/s to rest in 5 seconds. Work out its deceleration.
- 2The Cosine Rule3 marks
A triangle has sides 16 cm, 8 cm and 11 cm. Work out the angle opposite the 16 cm side, to 1 decimal place.
- 3Probability Equation Questions3 marks
A bag holds 5 red and n blue counters. The probability of taking a red is 5/13. Work out n.
- 4Histograms3 marks
On a histogram the bar for 0 < x <= 20 has a frequency density of 0.4. How many values are in that class?
- 5Surds3 marks
Rationalise the denominator of 15/sqrt(5), giving your answer in its simplest form.
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 September 1979, including the monthly compilation PDF.