The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its – McqOptions

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1.	The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its
A.	4th term
B.	7th term
C.	6th term
D.	5th term
Answer» C. 6th term

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