Daily Practice · Higher

Daily Practice - Higher

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

9th May 2013

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

1
Probability Trees3 marks
5 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Histograms2 marks
A histogram class is 10 units wide and contains 5 values. Work out the frequency density.
3
The Product Rule for Counting2 marks
A meal deal has 8 mains, 4 sides and 2 drinks. How many different meals are possible?
4
Simultaneous Equations3 marks
3 teas and 2 cakes cost £7.10. 1 tea and 5 cakes cost £12.55. Find the price of a tea.
5
Repeated Percentage Change3 marks
A town's population is 3000 and grows by 6% each year. Work out the population after 2 years, to the nearest whole number.

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