University Admission Maths Exam
Question 1 of 30
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An arithmetic sequence satisfies \(a_6=23\) and \(a_{20}=79\). Find the common difference \(d\).
Select one option.
A
\(3\)
B
\(5\)
C
\(4\)
D
\(6\)
E
\(2\)
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