Daily Practice

Higher

10th August 1979

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

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 9. Work out y when x = 9.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 12 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
25 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
5
Surds2 marks
Write sqrt(45) in the form a sqrt(b), where b is as small as possible.

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