Daily Practice

Higher

24th June 1968

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

1
The Product Rule for Counting2 marks
A meal deal has 6 mains, 8 sides and 4 drinks. How many different meals are possible?
2
Quadratic Formula3 marks
Work out the discriminant of 4x^2 - 8x + 8 = 0 and say how many real solutions it has.
3
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
4
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 24 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
15 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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