Daily Practice
Higher
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2nd April 1963
- 1Probability Trees3 marks
1 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Capture Recapture3 marks
50 newts are marked and released. Later 24 are caught, of which 4 are marked. Estimate the population.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.888... as a fraction in its simplest form.
- 4Equation of a Line3 marks
A line has gradient 3 and passes through (6, 24). Work out its equation.
- 5Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1963, including the monthly compilation PDF.