Daily Practice

Higher

9th March 1956

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
5 of 9 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 newt population of a stream. State one assumption the method relies on.
3
Standard Form3 marks
Work out (27 x 10^11) / (9 x 10^5). Give your answer in standard form.
4
Simultaneous Equations3 marks
5 teas and 1 cake cost £8.30. 4 teas and 2 cakes cost £9.70. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 60. Work out y when x = 10.

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