Daily Practice

Higher

28th March 1984

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

1
Speed and Density2 marks
A block has volume 90 cm^3 and density 11 g/cm^3. Work out its mass.
2
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 6 cm and angle 45°. Work out its area, to 1 decimal place.
3
Conditional Probability3 marks
13 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Cumulative Frequency2 marks
Four classes in order have frequencies 3, 12, 12, 4. Write down the cumulative frequency at the end of the third class.
5
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?

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