Daily Practice

Higher

29th July 1988

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

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 44. Work out y when x = 13.
2
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 14 cm and angle 90°. Work out its area, to 1 decimal place.
3
Conditional Probability3 marks
30 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
5
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?

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