Question

The A.P. $$6, 13, 20, ......., 216$$ has 31 terms. The middle term of the A.P. is ______.

विकल्प

• $$91$$

• $$97$$

• $$107$$

• $$111$$

Answer 1

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: $$\mathrm{T}_{16} = 6 + 15(7) = 111$$.