Higher Plus
5th April 1970
- 1Velocity Time Graphs2 marks
A train slows steadily from 37 m/s to rest in 5 seconds. Work out its deceleration.
- 2Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = m and vector OB = b. X is the point dividing AB in the ratio 3 : 1. Write vector OX in terms of m and b.
- 3Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 56 wins. How many games did they play?
- 4Histograms3 marks
On a histogram the bar for 30 < x <= 50 has a frequency density of 1.5. How many values are in that class?
- 5Bounds3 marks
x = 63 and y = 30, each correct to the nearest whole number. Work out the upper bound of x - y.
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