Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

18th November 2009

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

1
Speed and Density2 marks
A block has volume 95 cm^3 and density 11 g/cm^3. Work out its mass.
2
Spheres and Cones3 marks
A sphere has radius 15 cm. Work out its volume, leaving your answer in terms of pi.
3
Probability Trees3 marks
7 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
Four classes in order have frequencies 11, 5, 8, 11. Write down the cumulative frequency at the end of the third class.
5
Reverse Percentages3 marks
A bill is £456 including VAT at 20%. Work out the amount before VAT.

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