Daily Practice · Higher

Daily Practice - Higher

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

16th December 2012

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

1
Probability Trees3 marks
6 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 9 and a maximum of 58. Work out the range.
3
Fractional and Negative Indices3 marks
Work out 49^(3/2).
4
Simultaneous Equations3 marks
4 teas and 2 cakes cost £6.50. 1 tea and 4 cakes cost £6.35. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 40. Work out y when x = 10.

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