Higher
18th November 1961
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 216. Work out y when x = 5.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 8 cm and an angle of 28°. Work out the side adjacent to that angle, to 1 decimal place.
- 3Probability Trees3 marks
5 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Box Plots2 marks
A box plot has minimum 4, lower quartile 12, median 22, upper quartile 28 and maximum 35. Work out the interquartile range.
- 5Fractional and Negative Indices3 marks
Work out 100^(3/2).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1961, including the monthly compilation PDF.