Foundation Plus
29th November 1975
- 1Ratio2 marks
Red and blue raffle tickets are in the ratio 3 : 5. There are 15 red raffle tickets. How many raffle tickets are there altogether?
- 2Angles in Polygons2 marks
Work out the sum of the interior angles of a decagon.
- 3Averages3 marks
Here are seven numbers: 2, 5, 28, 11, 22, 13, 7. Work out the median and the range.
- 4Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 30 < x <= 40. The frequencies in order are 11, 7, 21, 16, 3. Write down the modal class.
- 5Estimating2 marks
Between which two consecutive whole numbers does sqrt(55) lie?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1975, including the monthly compilation PDF.