Daily Practice

Higher Plus

29th September 1982

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

1
Velocity Time Graphs2 marks
A train slows steadily from 34 m/s to rest in 10 seconds. Work out its deceleration.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = c. X is the point dividing AB in the ratio 1 : 2. Write vector OX in terms of b and c.
3
Probability Equation Questions3 marks
The probability of winning a game is 3/10. A player expects 21 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 50 < x <= 55 has a frequency density of 3.5. How many values are in that class?
5
Bounds3 marks
A rectangle is 18 cm by 15 cm, each correct to the nearest cm. Work out the upper bound of its area.

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