Daily Practice
Foundation Plus
← All tiers
16th February 1991
- 1Probability Trees3 marks
A bag holds 5 red and 2 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Capture Recapture3 marks
35 voles are marked and released. Later 30 are caught, of which 3 are marked. Estimate the population.
- 3Prime Factors, HCF and LCM3 marks
Write 96 as a product of its prime factors, using index form.
- 4Solving Equations3 marks
Solve 4(x + 4) = 36.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 56. Work out y when x = 13.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1991, including the monthly compilation PDF.