Daily Practice

Higher

26th April 1972

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

1
Probability Trees3 marks
4 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 11, 6, 5, 11. Write down the cumulative frequency at the end of the third class.
3
Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.
4
Equation of a Line3 marks
A line has gradient -4 and passes through (3, -3). Work out its equation.
5
Speed and Density2 marks
A block has volume 75 cm^3 and density 3 g/cm^3. Work out its mass.

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