Daily Practice

Higher

27th June 1990

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
Cumulative Frequency2 marks
Four classes in order have frequencies 12, 10, 5, 5. Write down the cumulative frequency at the end of the third class.
3
Reverse Percentages3 marks
A bill is £528 including VAT at 20%. Work out the amount before VAT.
4
Simultaneous Equations3 marks
2 teas and 2 cakes cost £8.30. 2 teas and 4 cakes cost £14.30. Find the price of a tea.
5
Speed and Density2 marks
A block has volume 40 cm^3 and density 7.5 g/cm^3. Work out its mass.

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