Higher Plus
29th November 1978
- 1Bounds3 marks
A rectangle is 10 cm by 22 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 2Rearranging Harder Formulae3 marks
Make x the subject of 2x + 5 = y(x + 5).
- 3Velocity Time Graphs2 marks
A train slows steadily from 25 m/s to rest in 10 seconds. Work out its deceleration.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = a and vector OB = m. P is the point dividing AB in the ratio 1 : 3. Write vector OP in terms of a and m.
- 5Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 2 wins. How many games did they play?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1978, including the monthly compilation PDF.