Daily Practice

Foundation Plus

21st February 1978

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

1
Changing the Subject of a Formula3 marks
Make x the subject of y = 4x^2 - 12.
2
Compound Interest and Depreciation3 marks
£2200 is invested at 4% compound interest per year. Work out the value after 4 years, to the nearest penny.
3
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 17 cm and one shorter side of 15 cm. Work out the other shorter side.
4
Probability Trees3 marks
A bag holds 3 red and 3 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
5
Averages from Frequency Tables3 marks
In a survey 5 households own 1 car, 9 own 2 cars and 4 own 3 cars. Work out the mean number of cars, to 2 decimal places.

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