Daily Practice

Higher Plus

16th December 1990

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

1
Velocity Time Graphs2 marks
A train slows steadily from 23 m/s to rest in 5 seconds. Work out its deceleration.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = p and vector OB = b. N is the point dividing AB in the ratio 1 : 2. Write vector ON in terms of p and b.
3
Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 55 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 40 < x <= 50 has a frequency density of 1.2. How many values are in that class?
5
Bounds3 marks
x = 63 and y = 48, each correct to the nearest whole number. Work out the upper bound of x - y.

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