Higher Plus
- 1Velocity Time Graphs2 marks
A train slows steadily from 12 m/s to rest in 4 seconds. Work out its deceleration.
- 2The Sine Rule3 marks
In triangle ABC, angle A is 43°, side a is 15 cm and side b is 10 cm. Work out the acute angle B, to 1 decimal place.
- 3Conditional Probability3 marks
A bag holds 3 red and 5 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 <= 10 has a frequency density of 2.4. How many values are in that class?
- 5Bounds3 marks
x = 57 and y = 16, each correct to the nearest whole number. Work out the upper bound of x - y.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1967, including the monthly compilation PDF.