Daily Practice
Foundation Plus
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21st November 1980
- 1Angles in Polygons2 marks
Work out the size of one exterior angle of a regular decagon.
- 2Venn Diagrams3 marks
In a Venn diagram, 14 are in A only, 10 in B only, 9 in both and 5 in neither. Work out the probability a random one is in A or B.
- 3Frequency Trees3 marks
190 people were surveyed. 90 were adults, of whom 40 said yes. 25 of the children said yes. How many said yes altogether?
- 4Reverse Percentages3 marks
After an increase of 20%, a price is £504. Work out the price before the change.
- 5Inequalities2 marks
Solve the inequality 7x + 6 >= 90.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1980, including the monthly compilation PDF.