Daily Practice

Higher

21st April 1988

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

1
Histograms2 marks
A histogram class is 20 units wide and contains 30 values. Work out the frequency density.
2
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Expanding Triple Brackets3 marks
Expand and simplify (x - 1)(x - 1)(x - 5).
4
Repeated Percentage Change3 marks
A town's population is 10000 and grows by 4% each year. Work out the population after 4 years, to the nearest whole number.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 20 cm and one shorter side of 12 cm. Work out the other shorter side.

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