Daily Practice

Higher Plus

5th February 1969

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

1
Probability Equation Questions3 marks
A bag holds 5 red and n blue counters. The probability of taking a red is 5/9. Work out n.
2
Histograms3 marks
On a histogram the bar for 20 < x <= 25 has a frequency density of 1.2. How many values are in that class?
3
Bounds3 marks
A rectangle is 18 cm by 11 cm, each correct to the nearest cm. Work out the upper bound of its area.
4
Inverse and Composite Functions3 marks
f(x) = 5x + 5 and g(x) = 4x + 1. Work out fg(5).
5
Velocity Time Graphs2 marks
A train slows steadily from 18 m/s to rest in 8 seconds. Work out its deceleration.

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