Daily Practice

Higher

13th March 1988

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

1
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 24. Work out y when x = 12.
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
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 a minimum of 7 and a maximum of 46. Work out the range.
5
Reverse Percentages3 marks
A bill is £72 including VAT at 20%. Work out the amount before VAT.

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