Foundation Plus
27th April 1977
- 1Substitution3 marks
Use v = u + at with u = 12, a = 3 and t = 7. Work out v.
- 2Percentages2 marks
Leo scored 5 out of 25 in a test. What percentage is this?
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 14 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 50 times. How many heads would you expect?
- 5Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 128 values. What cumulative frequency do you read across from to estimate the lower quartile?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1977, including the monthly compilation PDF.