Higher
16th April 1987
- 1Bounds2 marks
A mass is 690 kg, correct to the nearest 10. Write down the upper bound.
- 2Simultaneous Equations3 marks
5 teas and 1 cake cost £12.05. 1 tea and 4 cakes cost £14.00. Find the price of a tea.
- 3Repeated Percentage Change3 marks
A town's population is 7500 and grows by 8% each year. Work out the population after 2 years, to the nearest whole number.
- 4SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 25 cm and an angle of 67°. 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 April 1987, including the monthly compilation PDF.