Daily Practice

Higher

16th February 1976

5 questions · 13 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, 17 are in A only, 10 in B only, 11 in both and 6 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 136 values. What cumulative frequency do you read across from to estimate the lower quartile?
4
Fractional and Negative Indices3 marks
Work out 49^(3/2).
5
Expanding Triple Brackets3 marks
Expand and simplify (x - 4)(x - 5)(x - 3).

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