1.

If a1,a2,a3,⋯,an are in A.P. and a1+a4+a7+⋯+a16=114 , then a1+a6+a11+a16 is equal to :

Answer»

If a1,a2,a3,,an are in A.P. and a1+a4+a7++a16=114 , then a1+a6+a11+a16 is equal to :



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