Daily Practice · Higher

Daily Practice - Higher

25th June 1995

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

1
Probability Trees3 marks
3 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 a minimum of 18 and a maximum of 34. Work out the range.
3
Bounds2 marks
A mass is 390 kg, correct to the nearest 10. Write down the upper bound.
4
Simultaneous Equations3 marks
5 teas and 2 cakes cost £10.40. 1 tea and 3 cakes cost £9.75. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 40. Work out y when x = 10.

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