Higher
3rd April 1959
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 21. Work out y when x = 3.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 16 cm and an angle of 38°. Work out the side opposite that angle, to 1 decimal place.
- 3Probability Trees3 marks
4 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
- 5Standard Form2 marks
Work out (5 x 10^3) x (3 x 10^4). Give your answer in standard form.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1959, including the monthly compilation PDF.