Daily Practice - Higher Plus
25th January 1995
- 13d Pythagoras and Trigonometry3 marks
A cuboid measures 3 cm by 7 cm by 11 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
- 2Probability Equation Questions3 marks
A bag holds 3 red and n blue counters. The probability of taking a red is 3/10. Work out n.
- 3Histograms2 marks
On a histogram, a 10-wide bar and a 40-wide bar have the same frequency density of 2. How many more values are in the wider class?
- 4Bounds3 marks
A rectangle is 9 cm by 26 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 5The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence 14, 26, 44, 68, ...
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