Higher Plus
18th June 1961
- 1Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 2.5, one 10 units wide with density 3.5. How many values in total?
- 2Bounds3 marks
x = 172 and y = 59, each correct to the nearest whole number. Work out the upper bound of x - y.
- 3The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence 9, 21, 41, 69, ...
- 4Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 5 m/s to 25 m/s over 8 seconds. Work out the acceleration.
- 53d Pythagoras and Trigonometry3 marks
A cuboid measures 12 cm by 12 cm by 7 cm tall. Work out the angle between its longest internal diagonal and the base, to 1 decimal place.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1961, including the monthly compilation PDF.