Daily Practice

Foundation Plus

27th February 1990

5 questions · 14 marks · Grades 4-6 · 128 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 500 times. How many heads would you expect?
2
Averages from Frequency Tables3 marks
In a survey 9 households own 1 car, 7 own 2 cars and 3 own 3 cars. Work out the mean number of cars, to 2 decimal places.
3
Standard Form2 marks
Write 990000 in standard form.
4
Changing the Subject of a Formula3 marks
Make x the subject of y = 8x^2 - 7.
5
Compound Interest and Depreciation3 marks
£1100 is invested at 4% compound interest per year. Work out the value after 4 years, to the nearest penny.

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