If, 8, -4 and 13 be three (not necessarily consecutive term) of an A.P., how many such A.P. s are possible?

If, 8, -4 and 13 be three (not necessarily consecutive term) of an A.P

1.	If, 8, -4 and 13 be three (not necessarily consecutive term) of an A.P., how many such A.P. s are possible?
A.	1
B.	2
C.	Infinitely many
D.	No such A.P. is possible
Answer» D. No such A.P. is possible

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If, 8, -4 and 13 be three (not necessarily consecutive term) of an A.P., how many such A.P. s are possible?

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