Daily Practice · Higher

Daily Practice - Higher

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

9th October 2017

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

1
Conditional Probability3 marks
29 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 108 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Reverse Percentages3 marks
A bill is £768 including VAT at 20%. Work out the amount before VAT.
4
Inequalities on Graphs3 marks
Does the point (2, -15) satisfy y > -4x - 2?
5
Repeated Percentage Change3 marks
A price rises by 10% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.

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