Daily Practice

Higher

30th December 1990

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

1
Conditional Probability3 marks
22 students study Spanish and 8 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 19 and a maximum of 55. Work out the range.
3
Standard Form2 marks
Work out (5 x 10^6) x (5 x 10^3). Give your answer in standard form.
4
Quadratic Formula3 marks
Work out the discriminant of 4x^2 - 10x + 12 = 0 and say how many real solutions it has.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 8. Work out y when x = 2.

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