Daily Practice

Higher

15th March 1987

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
2 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 13 and a maximum of 27. Work out the range.
3
Standard Form2 marks
Work out (7 x 10^4) x (9 x 10^2). Give your answer in standard form.
4
Simultaneous Equations3 marks
2 teas and 3 cakes cost £13.45. 3 teas and 3 cakes cost £15.75. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 8, y = 4. Work out y when x = 4.

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