Daily Practice · Higher

Daily Practice - Higher

25th October 1995

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

1
Standard Form2 marks
Work out (8 x 10^8) x (4 x 10^6). Give your answer in standard form.
2
Quadratic Formula3 marks
Work out the discriminant of 4x^2 + 10x + 10 = 0 and say how many real solutions it has.
3
Speed and Density2 marks
A block has volume 150 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 : 3. The smaller has an area of 30 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
19 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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