Daily Practice

Higher

9th September 1972

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 = 5, y = 50. Work out y when x = 6.
2
Spheres and Cones3 marks
A sphere has radius 6 cm. Work out its volume, leaving your answer in terms of pi.
3
Probability Trees3 marks
5 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 3, lower quartile 7, median 13, upper quartile 21 and maximum 31. Work out the interquartile range.
5
Standard Form3 marks
Work out (14 x 10^10) / (7 x 10^5). Give your answer in standard form.

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