Daily Practice

Higher

11th August 1957

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

1
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 4, y = 60. Work out y when x = 10.
2
Vectors3 marks
a is the column vector (5, 1) and b is (3, -5). Work out 5a - 5b as a column vector.
3
Probability Trees3 marks
4 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has a minimum of 10 and a maximum of 34. Work out the range.
5
Fractional and Negative Indices2 marks
Write 9^-1 as a fraction.

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