Foundation
27th April 1976
- 1Scale Drawings2 marks
A model of an aircraft is built to a scale of 1 : 25. The real length is 2.75 m. How long is the model, in cm?
- 2Angles1 mark
Two angles sit next to each other on a straight line. One of them is 155°. Work out the other.
- 3Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 200 times. How many heads would you expect?
- 4Frequency Trees3 marks
230 people were surveyed. 90 were adults, of whom 45 said yes. 30 of the children said yes. How many said yes altogether?
- 5Percentage Change3 marks
A price changes from £50.00 to £35.00. Work out the percentage decrease.
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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.