Higher Plus
1st February 1976
- 1Bounds3 marks
x = 60 and y = 13, each correct to the nearest whole number. Work out the upper bound of x - y.
- 2Algebraic Fractions3 marks
Simplify (x^2 + 3x - 10)/(x + 5).
- 3Velocity Time Graphs2 marks
A train slows steadily from 23 m/s to rest in 8 seconds. Work out its deceleration.
- 4The Cosine Rule3 marks
A triangle has sides of 18 cm and 7 cm with an angle of 71° between them. Work out the third side, to 1 decimal place.
- 5Conditional Probability3 marks
A bag holds 6 red, 5 blue and 5 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 February 1976, including the monthly compilation PDF.