Daily Practice

Higher

4th March 1967

5 questions · 13 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 = 8.
2
Spheres and Cones3 marks
A sphere has radius 9 cm. Work out its volume, leaving your answer in terms of pi.
3
Probability Trees3 marks
6 of 9 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 15, lower quartile 17, median 22, upper quartile 31 and maximum 36. Work out the interquartile range.
5
Bounds2 marks
A mass is 21 kg, correct to the nearest whole number. Write down the upper bound.

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