Daily Practice

Higher

2nd November 1971

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 = 4 : 9. Write y in terms of x.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 12 cm and 14 cm with an angle of 115° between them. Work out its area, to 1 decimal place.
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
45 fish are marked and released. Later 50 are caught, of which 5 are marked. Estimate the population.
5
Surds2 marks
Write sqrt(72) in the form a sqrt(b), where b is as small as possible.

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