A) 23
B) 26
C) 29
D) 32
Correct Answer: B
Solution :
According to the given condition \[\frac{15}{2}[10+14\times d]=390\]\[\Rightarrow \]\[d=3\] Hence middle term \[i.e.\]\[{{8}^{th}}\] term is given by \[5+7\times 3=26\].
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