Daily Practice

Higher

5th May 1959

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
20 fish are marked and released. Later 24 are caught, of which 6 are marked. Estimate the population.
3
Bounds2 marks
A mass is 250 kg, correct to the nearest 10. Write down the lower bound.
4
Simultaneous Equations3 marks
2 teas and 1 cake cost £7.10. 2 teas and 4 cakes cost £14.90. 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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