Daily Practice

Higher Plus

23rd November 1976

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

1
Velocity Time Graphs2 marks
A train slows steadily from 35 m/s to rest in 5 seconds. Work out its deceleration.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 14 cm and 16 cm and an area of 96.99 cm^2. Work out the acute angle between those two sides, to the nearest degree.
3
Probability Equation Questions3 marks
A bag holds 5 counters, r of them red. Two are taken without replacement and P(both red) = 3/10. Work out r.
4
Histograms3 marks
On a histogram the bar for 20 < x <= 25 has a frequency density of 0.4. How many values are in that class?
5
Surds3 marks
Expand and simplify (6 + sqrt(6))(6 - sqrt(6)).

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