Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

10th June 2005

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 + 2x - 12, work out y when x = 1.
3
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 14. Work out y when x = 7.
4
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 12 cm and angle 300°. Work out its area, to 1 decimal place.
5
Conditional Probability3 marks
25 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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