Foundation
17th January 1978
- 1Scale Drawings2 marks
A model of a bridge is built to a scale of 1 : 100. The real length is 8 m. How long is the model, in cm?
- 2Area and Circumference of Circles2 marks
A circle has a radius of 6 cm. Work out its circumference, leaving your answer in terms of pi.
- 3Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 50 times. How many heads would you expect?
- 4Frequency Trees3 marks
170 students were asked how they travel. 80 walked, and of those 35 were late. How many walkers were on time?
- 5Percentage Change3 marks
A price changes from £50.00 to £42.50. Work out the percentage decrease.
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