Daily Practice

Higher

8th November 1969

5 questions · 13 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 13, lower quartile 17, median 26, upper quartile 28 and maximum 37. Work out the interquartile range.
3
Standard Form2 marks
Work out (8 x 10^3) x (5 x 10^4). Give your answer in standard form.
4
Simultaneous Equations3 marks
3 teas and 2 cakes cost £9.00. 2 teas and 2 cakes cost £7.40. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 2.

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