Daily Practice · Higher

Daily Practice - Higher

26th July 1991

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 = 8, y = 48. Work out y when x = 5.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 19 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
18 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
Bounds2 marks
A mass is 360 kg, correct to the nearest 10. Write down the lower bound.

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