Daily Practice

Higher

3rd April 1965

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

1
Probability Trees3 marks
1 of 9 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 14, lower quartile 16, median 23, upper quartile 25 and maximum 31. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 100^(3/2).
4
Simultaneous Equations3 marks
2 teas and 1 cake cost £5.35. 3 teas and 4 cakes cost £16.65. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 63. Work out y when x = 9.

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