Daily Practice · Higher

Daily Practice - Higher

26th November 1996

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 = 4 : 7. Write y in terms of x.
2
Vectors3 marks
a is the column vector (5, 4) and b is (0, 3). Work out 5a - 2b as a column vector.
3
Probability Trees3 marks
5 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
25 voles are marked and released. Later 45 are caught, of which 9 are marked. Estimate the population.
5
Standard Form3 marks
Work out (15 x 10^7) / (5 x 10^3). Give your answer in standard form.

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