If the sum of two extreme numbers of an A.P. with four terms is 8 and – McqOptions

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1.	If the sum of two extreme numbers of an A.P. with four terms is 8 and product of remaining two middle term is 15, then greatest number of the series will be [Roorkee 1965]
A.	5
B.	7
C.	9
D.	11
Answer» C. 9

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