Daily Practice

Higher

22nd September 1981

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
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 10 cm and an angle of 57°. Work out the side adjacent to that angle, to 1 decimal place.
3
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
50 voles are marked and released. Later 20 are caught, of which 4 are marked. Estimate the population.
5
Standard Form3 marks
Work out (20 x 10^7) / (5 x 10^2). Give your answer in standard form.

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