If a1, a2, a3 .. are in AP then if a7 = 15, then the value of common – McqOptions

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1.	If a₁, a₂, a₃ .. are in AP then if a₇ = 15, then the value of common difference that would make a₂ a₇ a₁₂ greatest is?
A.	2
B.	0
C.	4
D.	9
Answer» C. 4

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