Daily Practice

Higher

11th December 1984

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

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 9. Write y in terms of x.
2
Vectors3 marks
a is the column vector (-1, -6) and b is (0, -3). Work out 5a - 5b as a column vector.
3
Probability Trees3 marks
2 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
55 fish are marked and released. Later 36 are caught, of which 3 are marked. Estimate the population.
5
Reverse Percentages3 marks
A bill is £624 including VAT at 20%. Work out the amount before VAT.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1984, including the monthly compilation PDF.