Higher Plus
10th November 1974
- 1Velocity Time Graphs2 marks
A train slows steadily from 17 m/s to rest in 4 seconds. Work out its deceleration.
- 2Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = c. P is the point dividing AB in the ratio 1 : 3. Write vector OP in terms of b and c.
- 3Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 16 wins. How many games did they play?
- 4Histograms3 marks
On a histogram the bar for 60 < x <= 70 has a frequency density of 2.4. How many values are in that class?
- 5Bounds3 marks
x = 168 and y = 158, each correct to the nearest whole number. Work out the upper bound of x - y.
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