Daily Practice

Higher

16th July 1968

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

1
Probability Trees3 marks
5 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
55 voles are marked and released. Later 48 are caught, of which 6 are marked. Estimate the population.
3
The Product Rule for Counting2 marks
A meal deal has 7 mains, 6 sides and 4 drinks. How many different meals are possible?
4
Simultaneous Equations3 marks
5 teas and 2 cakes cost £13.00. 3 teas and 2 cakes cost £9.20. Find the price of a tea.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 4. Write y in terms of x.

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