Daily Practice

Higher

11th February 1971

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

1
Repeated Percentage Change3 marks
A town's population is 15000 and grows by 4% each year. Work out the population after 4 years, to the nearest whole number.
2
Spheres and Cones3 marks
A sphere has radius 3 cm. Work out its volume, leaving your answer in terms of pi.
3
Probability Trees3 marks
4 of 9 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 5 units wide and contains 12.5 values. Work out the frequency density.
5
Surds2 marks
Write sqrt(45) in the form a sqrt(b), where b is as small as possible.

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