Higher Plus
8th September 1957
- 1Bounds3 marks
x = 122 and y = 98, each correct to the nearest whole number. Work out the upper bound of x - y.
- 2Rearranging Harder Formulae3 marks
Make x the subject of 8x + 8 = y(x + 8).
- 3Velocity Time Graphs2 marks
A train slows steadily from 25 m/s to rest in 10 seconds. Work out its deceleration.
- 4The Cosine Rule3 marks
A triangle has sides of 10 cm and 13 cm with an angle of 38° between them. Work out the third side, to 1 decimal place.
- 5Conditional Probability3 marks
A bag holds 3 red, 5 blue and 6 green counters. Two are taken without replacement. Given neither is green, what is the probability both are red?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1957, including the monthly compilation PDF.