Daily Practice · Higher

Daily Practice - Higher

21st January 1997

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

1
Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
60 voles are marked and released. Later 9 are caught, of which 3 are marked. Estimate the population.
3
Fractional and Negative Indices3 marks
Work out 125^(2/3).
4
Simultaneous Equations3 marks
5 teas and 3 cakes cost £13.85. 3 teas and 5 cakes cost £17.75. Find the price of a tea.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 5. Write y in terms of x.

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