Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

28th August 2001

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

1
Probability Trees3 marks
6 of 9 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 voles are marked and released. Later 72 are caught, of which 6 are marked. Estimate the population.
3
Standard Form2 marks
Work out (9 x 10^4) x (5 x 10^-6). Give your answer in standard form.
4
Simultaneous Equations3 marks
4 teas and 4 cakes cost £17.60. 3 teas and 2 cakes cost £11.00. Find the price of a tea.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.

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