Higher
- 1Probability Trees3 marks
1 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Box Plots2 marks
A box plot has minimum 2, lower quartile 9, median 13, upper quartile 15 and maximum 19. Work out the interquartile range.
- 3Reverse Percentages3 marks
A bill is £240 including VAT at 20%. Work out the amount before VAT.
- 4Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 1, and write down where the curve crosses the y-axis.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 32. Work out y when x = 5.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1956, including the monthly compilation PDF.