Daily Practice

Higher

8th December 1988

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Repeated Percentage Change3 marks
A town's population is 19000 and grows by 6% each year. Work out the population after 5 years, to the nearest whole number.
2
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 9 cm^2. Work out the area of the larger.
3
Conditional Probability3 marks
20 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
Histograms2 marks
A histogram class is 5 units wide and contains 2.5 values. Work out the frequency density.
5
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?

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