Daily Practice
Higher
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25th July 1970
- 1Box Plots2 marks
A box plot has minimum 11, lower quartile 20, median 23, upper quartile 33 and maximum 39. Work out the interquartile range.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.5050... as a fraction in its simplest form.
- 3Expanding Triple Brackets3 marks
Expand and simplify (x + 2)(x - 3)(x - 2).
- 4Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 48. Work out y when x = 6.
- 5Pythagoras2 marks
A right-angled triangle has a hypotenuse of 26 cm and one shorter side of 24 cm. Work out the other shorter side.
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