Daily Practice

Higher

18th April 1956

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

1
Speed and Density2 marks
A block has volume 65 cm^3 and density 3 g/cm^3. Work out its mass.
2
Vectors3 marks
a is the column vector (2, 6) and b is (-6, 6). Work out 4a - 5b as a column vector.
3
Probability Trees3 marks
2 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 10, 11, 10, 6. Write down the cumulative frequency at the end of the third class.
5
Surds2 marks
Write sqrt(20) in the form a sqrt(b), where b is as small as possible.

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