Daily Practice

Higher

20th April 1971

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

1
Probability Trees3 marks
6 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
60 voles are marked and released. Later 9 are caught, of which 3 are marked. Estimate the population.
3
Standard Form2 marks
Work out (3 x 10^3) x (7 x 10^-5). Give your answer in standard form.
4
Simultaneous Equations3 marks
5 teas and 1 cake cost £11.65. 4 teas and 3 cakes cost £12.40. Find the price of a tea.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 6. Write y in terms of x.

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