Daily Practice

Higher

9th August 1959

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

1
Probability Trees3 marks
6 of 8 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 7 and a maximum of 44. Work out the range.
3
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
4
Simultaneous Equations3 marks
4 teas and 2 cakes cost £13.50. 1 tea and 4 cakes cost £15.45. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 30. Work out y when x = 6.

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