Daily Practice · Higher

Daily Practice - Higher

9th October 1996

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

1
Speed and Density2 marks
A block has volume 90 cm^3 and density 4 g/cm^3. Work out its mass.
2
Vectors3 marks
a is the column vector (2, 0) and b is (0, 5). Work out 3a - 2b 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 3, 3, 8, 10. Write down the cumulative frequency at the end of the third class.
5
Surds2 marks
Write sqrt(18) in the form a sqrt(b), where b is as small as possible.

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