Daily Practice

Higher

19th November 1970

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Repeated Percentage Change3 marks
A town's population is 12000 and grows by 6% each year. Work out the population after 2 years, to the nearest whole number.
2
Vectors3 marks
a is the column vector (1, 5) and b is (0, 0). Work out 5a - 5b as a column vector.
3
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Histograms2 marks
A histogram class is 4 units wide and contains 10 values. Work out the frequency density.
5
Standard Form3 marks
Work out (18 x 10^11) / (2 x 10^5). Give your answer in standard form.

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