Daily Practice · Higher

Daily Practice - Higher

23rd September 1991

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

1
Inequalities on Graphs2 marks
A region is defined by y < -2x + 3. Should the boundary line be solid or dashed, and why?
2
Repeated Percentage Change3 marks
A price rises by 25% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
3
Spheres and Cones3 marks
A cone has base radius 8 cm and vertical height 6 cm. Work out its volume, leaving your answer in terms of pi.
4
Probability Trees3 marks
A bag holds 3 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
5
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 76 values. What cumulative frequency do you read across from to estimate the lower quartile?

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