Foundation
13th June 1990
- 1Scale Drawings2 marks
A model of an aircraft is built to a scale of 1 : 20. The real length is 2.4 m. How long is the model, in cm?
- 2Angles in Polygons2 marks
Work out the sum of the interior angles of a 12-sided polygon.
- 3Probability (Foundation)2 marks
A bag holds 3 red, 6 blue and 6 green counters. One is taken at random. Work out the probability it is red.
- 4Averages from Frequency Tables3 marks
In a survey 5 households own 1 car, 2 own 2 cars and 8 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 5Negative Numbers2 marks
At midnight the temperature in Buxton is -7°C. By noon it has risen by 11°C. What is the temperature at noon?
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