Higher
14th November 1971
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 4, y = 30. Work out y when x = 5.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 5 cm and an angle of 53°. Work out the side opposite that angle, to 1 decimal place.
- 3Probability Trees3 marks
4 of 6 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 a minimum of 12 and a maximum of 60. Work out the range.
- 5Bounds2 marks
A mass is 10.7 kg, correct to 1 decimal place. Write down the lower bound.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1971, including the monthly compilation PDF.