Daily Practice

Higher

14th July 1973

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

1
Probability Trees3 marks
2 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has minimum 2, lower quartile 9, median 17, upper quartile 25 and maximum 27. Work out the interquartile range.
3
Standard Form3 marks
Work out (14 x 10^9) / (2 x 10^2). Give your answer in standard form.
4
Simultaneous Equations3 marks
5 teas and 1 cake cost £7.25. 4 teas and 3 cakes cost £9.10. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 50. Work out y when x = 8.

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