Higher
27th February 1987
- 1Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7979... as a fraction in its simplest form.
- 2Simultaneous Equations3 marks
4 teas and 2 cakes cost £13.10. 2 teas and 2 cakes cost £9.10. Find the price of a tea.
- 3Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 24. Work out y when x = 10.
- 4SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 9 cm and an angle of 37°. Work out the side opposite that angle, to 1 decimal place.
- 5Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1987, including the monthly compilation PDF.