A Q. 13. Find the middle term of the A.P 6, 13, 20,.....216. [Board Te – InterviewSolution

1.	A Q. 13. Find the middle term of the A.P 6, 13, 20,.....216. [Board Term-2, Delhi 2015 (Set I, IID)]
Answer» A=6d=7Tn= a+ (n-1)d216=6+(n-1)7n=31total no. of terms=31middle term=(31+1)/2 =16thT16= a+(16-1)d = 6+(157) =111therefore the middle term of the AP is111 answer

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