Daily Practice

Higher

17th May 1975

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

1
Probability Trees3 marks
3 of 10 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 10, lower quartile 20, median 25, upper quartile 30 and maximum 40. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 64^(2/3).
4
Simultaneous Equations3 marks
5 teas and 1 cake cost £8.85. 3 teas and 4 cakes cost £9.90. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 96. Work out y when x = 3.

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