Daily Practice
Foundation Plus
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8th March 1986
- 1Probability Trees3 marks
A bag holds 4 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
- 2Averages from Frequency Tables3 marks
In a survey 7 households own 1 car, 5 own 2 cars and 7 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 3Indices1 mark
Write down the value of 8^1.
- 4Changing the Subject of a Formula3 marks
Make x the subject of y = 2x^2 - 9.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 50. Work out y when x = 13.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1986, including the monthly compilation PDF.