Daily Practice

Foundation Plus

5th April 1988

5 questions · 15 marks · Grades 4-6 · 128 question types in this band

1
Changing the Subject of a Formula3 marks
Make x the subject of y = 3x^2 - 7.
2
Compound Interest and Depreciation3 marks
£1500 is invested at 2.5% compound interest per year. Work out the value after 4 years, to the nearest penny.
3
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 3 cm^2. Work out the area of the larger.
4
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 50 times. How many heads would you expect?
5
Averages from Frequency Tables3 marks
In a survey 6 households own 1 car, 7 own 2 cars and 4 own 3 cars. Work out the mean number of cars, to 2 decimal places.

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