Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

14th June 1997

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

1
Probability Trees3 marks
1 of 9 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 14, lower quartile 23, median 31, upper quartile 39 and maximum 48. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 9 mains, 6 sides and 5 drinks. How many different meals are possible?
4
Simultaneous Equations3 marks
4 teas and 1 cake cost £8.05. 2 teas and 5 cakes cost £17.75. Find the price of a tea.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 180. Work out y when x = 9.

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