Daily Practice
Foundation Plus
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9th August 1975
- 1Probability Trees3 marks
A bag holds 2 red and 6 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 116 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 3Prime Factors, HCF and LCM3 marks
Write 150 as a product of its prime factors, using index form.
- 4Substitution3 marks
Use v = u + at with u = 13, a = 9 and t = 7. Work out v.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 36. Work out y when x = 12.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1975, including the monthly compilation PDF.