Daily Practice · Higher Plus

Daily Practice - Higher Plus

22nd November 1996

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

1
Conditional Probability3 marks
A bag holds 6 red, 3 blue and 5 green counters. Two are taken without replacement. Given neither is green, what is the probability both are red?
2
Histograms3 marks
On a histogram the bar for 40 < x <= 60 has a frequency density of 1.5. How many values are in that class?
3
Surds3 marks
Rationalise the denominator of 30/sqrt(6), giving your answer in its simplest form.
4
Algebraic Fractions3 marks
Write 5/(x - 1) + 3/(x) as a single fraction.
5
Velocity Time Graphs2 marks
A train slows steadily from 15 m/s to rest in 4 seconds. Work out its deceleration.

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