Daily Practice

Higher

15th July 1987

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Reverse Percentages3 marks
A bill is £864 including VAT at 20%. Work out the amount before VAT.
2
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - 7x + 1 = 0, to 2 decimal places.
3
Speed and Density2 marks
A block has volume 40 cm^3 and density 7.5 g/cm^3. Work out its mass.
4
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 18 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
18 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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