To find the position of a term in an arithmetic progression with given values, use the formula an = a1 + (n-1)d.
In an arithmetic progression with a first term of 11 and a common difference of 5, if a term equals 61, we can find its position using the formula for the n-th term of an arithmetic progression: an = a1 + (n-1)d. Plugging in the values, 61 = 11 + (n-1)5, we solve for n to find the position of the term.
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