Daily Practice

Higher Plus

22nd March 1991

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

1
Velocity Time Graphs2 marks
A train slows steadily from 30 m/s to rest in 4 seconds. Work out its deceleration.
2
The Cosine Rule3 marks
A triangle has sides 4 cm, 7 cm and 6 cm. Work out the angle opposite the 4 cm side, to 1 decimal place.
3
Probability Equation Questions3 marks
A bag holds 6 red and n blue counters. The probability of taking a red is 3/4. Work out n.
4
Histograms3 marks
On a histogram the bar for 30 < x <= 40 has a frequency density of 1.5. How many values are in that class?
5
Surds3 marks
Rationalise the denominator of 60/sqrt(5), giving your answer in its simplest form.

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