Daily Practice
Higher Plus
- 13d Pythagoras and Trigonometry3 marks
A cuboid measures 8 cm by 12 cm by 9 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
- 2Probability Equation Questions3 marks
A bag holds 5 red and n blue counters. The probability of taking a red is 5/11. Work out n.
- 3Histograms2 marks
On a histogram, a 5-wide bar and a 15-wide bar have the same frequency density of 3. How many more values are in the wider class?
- 4Bounds3 marks
A rectangle is 24 cm by 12 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 5Quadratic Inequalities3 marks
Solve x^2 + 14x + 48 < 0.
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