Daily Practice

Higher

3rd January 1981

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

1
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.
2
Box Plots2 marks
A box plot has minimum 10, lower quartile 15, median 20, upper quartile 25 and maximum 29. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 4 mains, 6 sides and 4 drinks. How many different meals are possible?
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - 9x - 5 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 50. Work out y when x = 3.

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