Daily Practice - Higher
6th February 1997
- 1Repeated Percentage Change3 marks
A town's population is 31000 and grows by 4% each year. Work out the population after 4 years, to the nearest whole number.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 18 cm and an angle of 44°. Work out the side opposite that angle, to 1 decimal place.
- 3Probability Trees3 marks
2 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Histograms2 marks
A histogram class is 2 units wide and contains 6 values. Work out the frequency density.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.666... as a fraction in its simplest form.
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