Daily Practice

Higher

19th September 1961

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 = 2 : 5. Write y in terms of x.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 13 cm and 4 cm with an angle of 89° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
5 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
30 voles are marked and released. Later 70 are caught, of which 7 are marked. Estimate the population.
5
Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.

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