Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

22nd November 2003

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

1
Probability Trees3 marks
2 of 5 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 5, lower quartile 10, median 16, upper quartile 21 and maximum 26. Work out the interquartile range.
3
Standard Form3 marks
Work out (36 x 10^12) / (6 x 10^5). Give your answer in standard form.
4
Simultaneous Equations3 marks
2 teas and 2 cakes cost £5.60. 1 tea and 5 cakes cost £10.80. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 8.

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