Daily Practice

Higher

14th February 1965

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

1
Probability Trees3 marks
5 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 15 and a maximum of 27. Work out the range.
3
Bounds2 marks
A mass is 70 kg, correct to the nearest 10. Write down the upper bound.
4
Simultaneous Equations3 marks
2 teas and 2 cakes cost £9.30. 4 teas and 2 cakes cost £11.60. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 2, y = 24. Work out y when x = 12.

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