Higher
10th December 1970
- 1Histograms2 marks
A histogram class is 5 units wide and contains 10 values. Work out the frequency density.
- 2Reverse Percentages3 marks
A bill is £360 including VAT at 20%. Work out the amount before VAT.
- 3Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -20/x, work out y when x = -2, and write down the equation of its vertical asymptote.
- 4Repeated Percentage Change3 marks
A town's population is 7000 and grows by 6% each year. Work out the population after 4 years, to the nearest whole number.
- 5Similar Shapes (Area and Volume)3 marks
Two similar solids have lengths in the ratio 1 : 2. The larger has a volume of 80 cm^3. Work out the volume of the smaller.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1970, including the monthly compilation PDF.