Daily Practice

Higher

16th July 1989

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

1
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
2
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 3x - 8, work out y when x = 4.
3
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 2, y = 24. Work out y when x = 6.
4
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 4 cm and angle 60°. Work out its area, to 1 decimal place.
5
Conditional Probability3 marks
23 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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