Daily Practice · Higher

Daily Practice - Higher

13th July 1996

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
Box Plots2 marks
A box plot has minimum 1, lower quartile 6, median 12, upper quartile 17 and maximum 23. Work out the interquartile range.
3
Surds2 marks
Write sqrt(12) in the form a sqrt(b), where b is as small as possible.
4
Simultaneous Equations3 marks
4 teas and 3 cakes cost £12.10. 3 teas and 2 cakes cost £8.75. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 288. Work out y when x = 9.

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