Daily Practice

Higher

30th August 1990

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

1
Repeated Percentage Change3 marks
A town's population is 15500 and grows by 8% each year. Work out the population after 3 years, to the nearest whole number.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 21 cm and an angle of 37°. Work out the side adjacent to that angle, to 1 decimal place.
3
Probability Trees3 marks
7 of 10 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 2 units wide and contains 5 values. Work out the frequency density.
5
Bounds2 marks
A mass is 60 kg, correct to the nearest whole number. Write down the lower bound.

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