Daily Practice

Higher

24th December 1988

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
Reverse Percentages3 marks
A bill is £744 including VAT at 20%. Work out the amount before VAT.
2
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 + 8x + 2 = 0, to 2 decimal places.
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 24. Work out y when x = 9.
4
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 27 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
15 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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