Daily Practice

Higher

28th August 1963

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

1
Speed and Density2 marks
A block has volume 30 cm^3 and density 4 g/cm^3. Work out its mass.
2
Vectors3 marks
a is the column vector (2, -4) and b is (1, -2). Work out 2a - 4b as a column vector.
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 10, 10, 11, 5. Write down the cumulative frequency at the end of the third class.
5
Standard Form3 marks
Work out (64 x 10^11) / (8 x 10^3). Give your answer in standard form.

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