Higher Plus
18th April 1962
- 13d Pythagoras and Trigonometry3 marks
A cuboid measures 13 cm by 5 cm by 10 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
- 2Probability Equation Questions3 marks
A bag holds 6 red and n blue counters. The probability of taking a red is 3/7. Work out n.
- 3Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 0.4, one 5 units wide with density 0.8. How many values in total?
- 4Bounds3 marks
A rectangle is 23 cm by 28 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 5Rearranging Harder Formulae3 marks
Make x the subject of 6x + 8 = y(x + 8).
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