Daily Practice

Higher

19th March 1977

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

1
Probability Trees3 marks
1 of 6 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 12, lower quartile 22, median 31, upper quartile 37 and maximum 47. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 5 mains, 3 sides and 6 drinks. How many different meals are possible?
4
Simultaneous Equations3 marks
3 teas and 3 cakes cost £10.50. 4 teas and 3 cakes cost £12.05. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 144. Work out y when x = 6.

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