\[{{7}^{th}}\] term of an A.P. is 40, then the sum of first 13 terms i – McqOptions

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1.	\[{{7}^{th}}\] term of an A.P. is 40, then the sum of first 13 terms is [Karnataka CET 2003]
A.	53
B.	520
C.	1040
D.	2080
Answer» C. 1040

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