Daily Practice

Foundation Plus

24th December 1974

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 0.1. It is thrown 250 times. How many heads would you expect?
2
Averages from Frequency Tables3 marks
In a survey 5 households own 1 car, 2 own 2 cars and 3 own 3 cars. Work out the mean number of cars, to 2 decimal places.
3
Standard Form2 marks
Write 0.000000865 in standard form.
4
Changing the Subject of a Formula3 marks
Make x the subject of y = 5x^2 - 12.
5
Compound Interest and Depreciation3 marks
£4800 is invested at 3% compound interest per year. Work out the value after 5 years, to the nearest penny.

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