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Question
The A.P. $$6, 13, 20, ......., 216$$ has 31 terms. The middle term of the A.P. is ______.
Options
$$91$$
$$97$$
$$107$$
$$111$$
MCQ
Fill in the Blanks
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Solution
The A.P. $$6, 13, 20, ......., 216$$ has 31 terms. The middle term of the A.P. is 111.
Explanation:
The middle term is the 16th term: $$\mathrm{T}_{16} = 6 + 15(7) = 111$$.
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