Higher
3rd February 1961
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 30. Work out y when x = 10.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 25 cm and an angle of 49°. Work out the side adjacent to that angle, to 1 decimal place.
- 3Probability Trees3 marks
2 of 5 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 newt population of a stream. State one assumption the method relies on.
- 5Reverse Percentages3 marks
A bill is £432 including VAT at 20%. Work out the amount before VAT.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1961, including the monthly compilation PDF.