Daily Practice

Higher

1st June 1966

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

1
Speed and Density2 marks
A block has volume 75 cm^3 and density 2.5 g/cm^3. Work out its mass.
2
Vectors3 marks
a is the column vector (2, -4) and b is (-4, 4). Work out 3a - 3b as a column vector.
3
Probability Trees3 marks
1 of 5 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 3, 11, 10, 3. Write down the cumulative frequency at the end of the third class.
5
Surds2 marks
Write sqrt(50) in the form a sqrt(b), where b is as small as possible.

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