Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
1st January 2020
- 1Speed and Density2 marks
A block has volume 55 cm^3 and density 4 g/cm^3. Work out its mass.
- 2Spheres and Cones3 marks
A sphere has radius 6 cm. Work out its volume, leaving your answer in terms of pi.
- 3Probability Trees3 marks
3 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 7, 11, 5, 4. Write down the cumulative frequency at the end of the third class.
- 5Reverse Percentages3 marks
A bill is £744 including VAT at 20%. Work out the amount before VAT.
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