Higher Plus
20th November 1966
- 1Bounds3 marks
x = 133 and y = 61, each correct to the nearest whole number. Work out the upper bound of x - y.
- 2Proof2 marks
In an algebraic proof, how would you write the square of an odd number in terms of an integer n?
- 3Velocity Time Graphs2 marks
A train slows steadily from 33 m/s to rest in 10 seconds. Work out its deceleration.
- 4The Cosine Rule3 marks
A triangle has sides of 5 cm and 9 cm with an angle of 134° between them. Work out the third side, to 1 decimal place.
- 5Conditional Probability3 marks
A bag holds 5 red, 7 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 November 1966, including the monthly compilation PDF.