Daily Practice

Higher

27th March 1988

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

1
Conditional Probability3 marks
9 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has a minimum of 20 and a maximum of 42. Work out the range.
3
The Product Rule for Counting2 marks
A meal deal has 4 mains, 7 sides and 3 drinks. How many different meals are possible?
4
Quadratic Formula3 marks
Work out the discriminant of 4x^2 + 3x + 1 = 0 and say how many real solutions it has.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 8, y = 30. Work out y when x = 10.

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