Daily Practice · Higher

Daily Practice - Higher

20th February 1996

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
4 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
30 beetles are marked and released. Later 48 are caught, of which 6 are marked. Estimate the population.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.111... as a fraction in its simplest form.
4
Simultaneous Equations3 marks
3 teas and 4 cakes cost £10.95. 1 tea and 5 cakes cost £10.25. Find the price of a tea.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 5. Write y in terms of x.

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