Daily Practice

Higher

15th November 1980

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 79°. Work out angle ADC.
2
Probability Trees3 marks
A bag holds 9 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 4, lower quartile 9, median 12, upper quartile 22 and maximum 26. Work out the interquartile range.
4
Bounds2 marks
A mass is 420 kg, correct to the nearest 10. Write down the lower bound.
5
Changing the Subject of a Formula3 marks
Make x the subject of y = 4x^2 - 7.

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