Daily Practice · Higher

Daily Practice - Higher

1st February 1995

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
2 of 5 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 9, 5, 11, 8. Write down the cumulative frequency at the end of the third class.
3
Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.
4
Simultaneous Equations3 marks
4 teas and 4 cakes cost £16.40. 1 tea and 2 cakes cost £6.70. Find the price of a tea.
5
Speed and Density2 marks
A block has volume 15 cm^3 and density 11 g/cm^3. Work out its mass.

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