Daily Practice · Higher

Daily Practice - Higher

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

21st July 2022

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

1
Probability Trees3 marks
3 of 8 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 4 units wide and contains 6 values. Work out the frequency density.
3
Surds2 marks
Write sqrt(12) in the form a sqrt(b), where b is as small as possible.
4
Simultaneous Equations3 marks
2 teas and 4 cakes cost £8.90. 4 teas and 4 cakes cost £11.80. Find the price of a tea.
5
Repeated Percentage Change3 marks
A town's population is 24500 and grows by 5% each year. Work out the population after 4 years, to the nearest whole number.

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