Higher Plus
21st August 1959
- 1Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 8 wins. How many games did they play?
- 2Histograms3 marks
On a histogram the bar for 60 < x <= 80 has a frequency density of 1.5. How many values are in that class?
- 3Surds3 marks
Rationalise the denominator of 60/sqrt(6), giving your answer in its simplest form.
- 4The Nth Term of a Quadratic Sequence2 marks
A quadratic sequence starts 12, 23, 38, 57. Work out the second difference, and the coefficient of n^2.
- 5Velocity Time Graphs2 marks
A train slows steadily from 28 m/s to rest in 10 seconds. Work out its deceleration.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1959, including the monthly compilation PDF.