Daily Practice

Higher

16th September 1989

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

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 3.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 6 cm and 7 cm with an angle of 137° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
3 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 2, lower quartile 12, median 16, upper quartile 26 and maximum 36. Work out the interquartile range.
5
Fractional and Negative Indices3 marks
Work out 216^(2/3).

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