Daily Practice
Higher
← All tiers
28th January 1981
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 12, 4, 12, 11. Write down the cumulative frequency at the end of the third class.
- 2The 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?
- 3Expanding Triple Brackets3 marks
Expand and simplify (x - 3)(x - 2)(x - 1).
- 4Speed and Density2 marks
A block has volume 80 cm^3 and density 8 g/cm^3. Work out its mass.
- 5Pythagoras2 marks
A right-angled triangle has a hypotenuse of 10 cm and one shorter side of 6 cm. Work out the other shorter side.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1981, including the monthly compilation PDF.