Daily Practice
Higher Plus
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12th December 1971
- 1Bounds3 marks
x = 145 and y = 104, each correct to the nearest whole number. Work out the upper bound of x - y.
- 2Algebraic Fractions3 marks
Write 6/(x - 4) + 5/(x - 3) as a single fraction.
- 3Velocity Time Graphs2 marks
A train slows steadily from 15 m/s to rest in 10 seconds. Work out its deceleration.
- 4The Cosine Rule3 marks
A triangle has sides 11 cm, 6 cm and 11 cm. Work out the angle opposite the 11 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 7 red and n blue counters. The probability of taking a red is 7/11. Work out n.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1971, including the monthly compilation PDF.