Daily Practice

Higher Plus

25th July 1990

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

1
Velocity Time Graphs2 marks
A train slows steadily from 29 m/s to rest in 5 seconds. Work out its deceleration.
2
The Cosine Rule3 marks
A triangle has sides 11 cm, 11 cm and 9 cm. Work out the angle opposite the 11 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 2/3. Work out n.
4
Histograms3 marks
On a histogram the bar for 30 < x <= 50 has a frequency density of 1.5. How many values are in that class?
5
Bounds3 marks
A rectangle is 12 cm by 11 cm, each correct to the nearest cm. Work out the upper bound of its area.

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