Daily Practice

Higher

27th October 1988

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

1
Repeated Percentage Change3 marks
A town's population is 3000 and grows by 3% each year. Work out the population after 6 years, to the nearest whole number.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 20 cm and an angle of 70°. Work out the side adjacent to that angle, to 1 decimal place.
3
Probability Trees3 marks
5 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 20 units wide and contains 10 values. Work out the frequency density.
5
Surds2 marks
Write sqrt(98) in the form a sqrt(b), where b is as small as possible.

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