Daily Practice

Higher

24th August 1988

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

1
Probability Trees3 marks
1 of 10 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 10, 12, 11, 8. Write down the cumulative frequency at the end of the third class.
3
Standard Form2 marks
Work out (6 x 10^4) x (2 x 10^-2). Give your answer in standard form.
4
Simultaneous Equations3 marks
3 teas and 3 cakes cost £12.90. 2 teas and 3 cakes cost £11.85. Find the price of a tea.
5
Speed and Density2 marks
A block has volume 80 cm^3 and density 2.5 g/cm^3. Work out its mass.

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