Daily Practice

Higher

9th December 1986

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
8 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
20 newts are marked and released. Later 72 are caught, of which 8 are marked. Estimate the population.
3
Fractional and Negative Indices3 marks
Work out 216^(2/3).
4
Simultaneous Equations3 marks
2 teas and 1 cake cost £5.60. 3 teas and 5 cakes cost £19.25. Find the price of a tea.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 8. 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 December 1986, including the monthly compilation PDF.