Daily Practice

Higher

9th December 1970

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

1
Probability Trees3 marks
1 of 6 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 12, 6, 5, 6. Write down the cumulative frequency at the end of the third class.
3
Standard Form2 marks
Work out (4 x 10^3) x (6 x 10^4). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 4x^2 + 13x - 12.
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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