Daily Practice

Higher

23rd June 1970

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 20 cm and one shorter side of 16 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 15 are in A only, 8 in B only, 10 in both and 2 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
35 newts are marked and released. Later 42 are caught, of which 7 are marked. Estimate the population.
4
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 3)(x - 4)(x - 3).

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