Daily Practice

Higher

16th February 1983

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
3 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 9, 8, 6, 10. Write down the cumulative frequency at the end of the third class.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.222... as a fraction in its simplest form.
4
Simultaneous Equations3 marks
2 teas and 3 cakes cost £12.45. 1 tea and 4 cakes cost £12.85. Find the price of a tea.
5
Speed and Density2 marks
A block has volume 50 cm^3 and density 8 g/cm^3. Work out its mass.

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