Daily Practice
Foundation Plus
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15th April 1976
- 1Best Buy Questions3 marks
A pack of 11 teabags costs £2.20. A pack of 44 costs £7.48. Which pack is better value?
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 45°. How many sides does it have?
- 3Probability Trees3 marks
3 of 5 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 38 students, 23 study French, 20 study German and 9 study both. How many study neither?
- 5Error Intervals2 marks
A number y is 85 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 April 1976, including the monthly compilation PDF.