Daily Practice

Higher

13th March 1991

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Cumulative Frequency2 marks
Four classes in order have frequencies 10, 3, 8, 7. Write down the cumulative frequency at the end of the third class.
2
The Product Rule for Counting3 marks
A code is 3 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 + 2)(x - 2)(x - 5).
4
Speed and Density2 marks
A block has volume 135 cm^3 and density 3 g/cm^3. Work out its mass.
5
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 10 cm and one shorter side of 8 cm. Work out the other shorter side.

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