Higher Plus
26th April 1970
- 1Histograms2 marks
On a histogram, a 5-wide bar and a 15-wide bar have the same frequency density of 2. How many more values are in the wider class?
- 2Bounds3 marks
x = 68 and y = 32, each correct to the nearest whole number. Work out the upper bound of x - y.
- 3Algebraic Fractions3 marks
Write 4/(x - 4) + 5/(x + 3) as a single fraction.
- 4Velocity Time Graphs3 marks
A cyclist speeds up steadily from 6 m/s to 26 m/s over 6 seconds. Use the area under the velocity-time graph to find the distance travelled.
- 53d Pythagoras and Trigonometry3 marks
A cuboid measures 4 cm by 12 cm by 10 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
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