Daily Practice

Higher

17th August 1962

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

1
Probability Trees3 marks
3 of 7 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 moth population of a meadow. State one assumption the method relies on.
3
Standard Form2 marks
Work out (6 x 10^7) x (9 x 10^5). Give your answer in standard form.
4
Simultaneous Equations3 marks
2 teas and 4 cakes cost £8.20. 2 teas and 3 cakes cost £6.70. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 40. Work out y when x = 8.

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