Daily Practice

Higher

22nd April 1966

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

1
Probability Trees3 marks
3 of 5 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 snail population of a hedgerow. State one assumption the method relies on.
3
Standard Form3 marks
Work out (8 x 10^8) / (2 x 10^4). Give your answer in standard form.
4
Simultaneous Equations3 marks
4 teas and 4 cakes cost £15.40. 4 teas and 2 cakes cost £11.50. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 48. Work out y when x = 6.

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