Higher Plus
4th January 1963
- 1Surds3 marks
Rationalise the denominator of 48/sqrt(6), giving your answer in its simplest form.
- 2Algebraic Fractions3 marks
Write 6/(x - 1) + 6/(x) as a single fraction.
- 3Velocity Time Graphs2 marks
A train slows steadily from 12 m/s to rest in 8 seconds. Work out its deceleration.
- 4The Sine Rule3 marks
In triangle ABC, angle A is 61°, side a is 14 cm and side b is 11 cm. Work out the acute angle B, to 1 decimal place.
- 5Conditional Probability3 marks
A bag holds 4 red and 7 blue counters. Two are taken without replacement. Given the first was red, what is the probability the second is blue?
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