Higher Plus
26th June 1968
- 1Velocity Time Graphs2 marks
A train slows steadily from 27 m/s to rest in 4 seconds. Work out its deceleration.
- 2The Sine Rule3 marks
In triangle ABC, angle A is 35°, side a is 13 cm and side b is 8 cm. Work out the acute angle B, to 1 decimal place.
- 3Conditional Probability3 marks
A bag holds 8 red and 4 blue counters. Two are taken without replacement. Given the first was red, what is the probability the second is blue?
- 4Histograms3 marks
On a histogram the bar for 0 < x <= 5 has a frequency density of 1.5. How many values are in that class?
- 5Bounds3 marks
A rectangle is 9 cm by 19 cm, each correct to the nearest cm. Work out the upper bound of its area.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1968, including the monthly compilation PDF.