Daily Practice

Higher

15th February 1984

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Speed and Density2 marks
A block has volume 155 cm^3 and density 7.5 g/cm^3. Work out its mass.
2
Spheres and Cones3 marks
A sphere has radius 6 cm. Work out its volume, leaving your answer in terms of pi.
3
Probability Trees3 marks
2 of 6 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 6, 6, 3, 10. Write down the cumulative frequency at the end of the third class.
5
Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.

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