Daily Practice

Higher

2nd April 1988

5 questions · 13 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 4, lower quartile 11, median 19, upper quartile 26 and maximum 32. Work out the interquartile range.
3
Bounds2 marks
A mass is 9 kg, correct to 1 decimal place. Write down the lower bound.
4
Simultaneous Equations3 marks
3 teas and 2 cakes cost £9.95. 1 tea and 4 cakes cost £9.65. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 12. Work out y when x = 6.

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