Daily Practice

Higher

8th December 1982

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

1
The Product Rule for Counting2 marks
A meal deal has 9 mains, 4 sides and 4 drinks. How many different meals are possible?
2
Quadratic Formula3 marks
Work out the discriminant of 2x^2 + x + 12 = 0 and say how many real solutions it has.
3
Speed and Density2 marks
A block has volume 120 cm^3 and density 3 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 20 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
27 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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