Daily Practice

Higher

5th October 1980

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

1
Probability Trees3 marks
7 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 a minimum of 20 and a maximum of 41. Work out the range.
3
Standard Form3 marks
Work out (9 x 10^10) / (3 x 10^2). Give your answer in standard form.
4
Simultaneous Equations3 marks
2 teas and 2 cakes cost £8.60. 1 tea and 4 cakes cost £11.05. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 5, y = 3. Work out y when x = 3.

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