Daily Practice

Higher

14th August 1981

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
2
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Changing the Subject of a Formula3 marks
Make x the subject of y = 5x^2 - 10.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 24. Work out y when x = 8.
5
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 121°. Work out angle ADC.

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