Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

28th April 2007

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 3 cm. Work out its volume, leaving your answer in terms of pi.
2
Probability Trees3 marks
A bag holds 8 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Box Plots2 marks
A box plot has minimum 5, lower quartile 10, median 15, upper quartile 25 and maximum 34. Work out the interquartile range.
4
Reverse Percentages3 marks
A bill is £384 including VAT at 20%. Work out the amount before VAT.
5
Inequalities on Graphs2 marks
A region is defined by y <= 2x - 8. Should the boundary line be solid or dashed, and why?

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