Daily Practice

Higher Plus

17th April 1986

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Velocity Time Graphs2 marks
A train slows steadily from 12 m/s to rest in 8 seconds. Work out its deceleration.
2
The Cosine Rule3 marks
A triangle has sides 14 cm, 11 cm and 6 cm. Work out the angle opposite the 14 cm side, to 1 decimal place.
3
Probability Equation Questions3 marks
A bag holds 8 red and n blue counters. The probability of taking a red is 8/15. Work out n.
4
Histograms3 marks
On a histogram the bar for 0 < x <= 20 has a frequency density of 2.4. How many values are in that class?
5
Surds3 marks
Simplify sqrt(27) + sqrt(27), giving your answer in the form a sqrt(b).

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