Daily Practice · Higher

Daily Practice - Higher

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

12th January 2015

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 228 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Reverse Percentages3 marks
A bill is £336 including VAT at 20%. Work out the amount before VAT.
3
Inequalities on Graphs2 marks
A region is defined by y < 3x + 1. Should the boundary line be solid or dashed, and why?
4
Repeated Percentage Change3 marks
A price rises by 10% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.
5
Spheres and Cones3 marks
A cone has base radius 10 cm and vertical height 3 cm. Work out its volume, leaving your answer in terms of pi.

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