Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
7th November 2024
- 1Probability 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.
- 2Histograms2 marks
A histogram class is 5 units wide and contains 2.5 values. Work out the frequency density.
- 3Standard Form3 marks
Work out (32 x 10^12) / (8 x 10^2). Give your answer in standard form.
- 4Trigonometric and Exponential Graphs2 marks
The curve y = 2^x is drawn. Work out y when x = 5, and write down where the curve crosses the y-axis.
- 5Repeated Percentage Change3 marks
A town's population is 30500 and grows by 6% each year. Work out the population after 4 years, to the nearest whole number.
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