Daily Practice
Foundation Plus
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22nd November 1988
- 1Probability Trees3 marks
A bag holds 3 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
- 2Averages from Frequency Tables3 marks
In a survey 4 households own 1 car, 5 own 2 cars and 2 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 3Indices1 mark
Write down the value of 10^0.
- 4Changing the Subject of a Formula3 marks
Make x the subject of y = 9x^2 - 3.
- 5Compound Interest and Depreciation3 marks
£3800 is invested at 4% compound interest per year. Work out the value after 2 years, to the nearest penny.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1988, including the monthly compilation PDF.