Foundation Plus
9th September 1955
- 1Scale Drawings2 marks
A map has a scale of 1 : 25000. Two villages are 5 cm apart on the map. How far apart are they in real life, in km?
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 30°. How many sides does it have?
- 3Probability Trees3 marks
6 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Two Way Tables3 marks
Of 57 students, 35 study French, 12 study German and 7 study both. How many study neither?
- 5Error Intervals2 marks
A number y is 51 when truncated to the nearest whole number. Write down the error interval for y.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1955, including the monthly compilation PDF.