Daily Practice

Higher

14th November 1987

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 = 4, y = 96. Work out y when x = 2.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 12 cm and 12 cm with an angle of 28° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
1 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 8, lower quartile 17, median 26, upper quartile 31 and maximum 36. Work out the interquartile range.
5
Standard Form3 marks
Work out (6 x 10^11) / (2 x 10^4). Give your answer in standard form.

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