Daily Practice
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1st March 1961
- 1Conditional Probability3 marks
22 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 7, 3, 4, 5. Write down the cumulative frequency at the end of the third class.
- 3Fractional and Negative Indices2 marks
Write 4^-1 as a fraction.
- 4Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - 10x + 4 = 0, to 2 decimal places.
- 5Speed and Density2 marks
A block has volume 170 cm^3 and density 11 g/cm^3. Work out its mass.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1961, including the monthly compilation PDF.