Daily Practice · Higher

Daily Practice - Higher

21st April 1992

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 7. Write y in terms of x.
2
Vectors3 marks
a is the column vector (-3, -2) and b is (2, -2). Work out 3a - 5b as a column vector.
3
Probability Trees3 marks
7 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
60 voles are marked and released. Later 96 are caught, of which 8 are marked. Estimate the population.
5
Fractional and Negative Indices2 marks
Write 6^-3 as a fraction.

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