Daily Practice

Higher

28th July 1981

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

1
Reverse Percentages3 marks
A bill is £120 including VAT at 20%. Work out the amount before VAT.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 2^x is drawn. Work out y when x = 3, and write down where the curve crosses the y-axis.
3
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 8. Write y in terms of x.
4
Vectors3 marks
a is the column vector (-2, -5) and b is (-1, -5). Work out 2a - 3b as a column vector.
5
Probability Trees3 marks
5 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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