Daily Practice

Higher

4th July 1952

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

1
Probability Trees3 marks
1 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
3
Standard Form2 marks
Work out (2 x 10^8) x (5 x 10^6). Give your answer in standard form.
4
Simultaneous Equations3 marks
3 teas and 2 cakes cost £8.30. 3 teas and 5 cakes cost £13.55. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 14. Work out y when x = 10.

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