Daily Practice

Higher

21st July 1984

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

1
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 91°. Work out angle ADC.
2
Probability Trees3 marks
A bag holds 3 red and 9 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Box Plots2 marks
A box plot has minimum 4, lower quartile 7, median 15, upper quartile 20 and maximum 27. Work out the interquartile range.
4
Reverse Percentages3 marks
A bill is £576 including VAT at 20%. Work out the amount before VAT.
5
Changing the Subject of a Formula3 marks
Make x the subject of y = 9x^2 - 9.

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