Daily Practice

Foundation Plus

11th January 1986

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Ratio2 marks
Red and blue marbles are in the ratio 5 : 9. There are 70 red marbles. How many marbles are there altogether?
2
Spheres and Cones3 marks
A sphere has radius 6 cm. Work out its volume, leaving your answer in terms of pi.
3
Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 12 in B only, 5 in both and 1 in neither. Work out the probability a random one is in both.
4
Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 30 < x <= 40. The frequencies in order are 21, 16, 7, 3, 11. Write down the modal class.
5
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.333... as a fraction in its simplest form.

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