" Let "a_(1),a_(2),...a_(10)" be a G.P.",(a_(3))/(a_(1))=25," if "(a_(9))/(a_(5))=k" then "(k)/(25)=

Let a_(1),a_(2),a_(3),?a_(10) are in G.P.if (a_(3))/(a_(1))=25 then (a_(9))/(a_(5)) is equal to (A)5^(4)(B)4.5^(4)(C)4.5^(3)(D)5^(3)

Let a_(1),a_(2),a_(3), . . .,a_(n) be an A.P. Statement -1 : (1)/(a_(1)a_(n))+(1)/(a_(2)a_(n-1))+(1)/(a_(3)a_(n-1))+ . . .. +(1)/(a_(n)a_(1)) =(2)/(a_(1)+a_(n))((1)/(a_(1))+(1)/(a_(2))+ . . .. +(1)/(a_(n))) Statement -2: a_(r)+a_(n-r+1)=a_(1)+a_(n)" for "1lerlen

Let a_(1),a_(2),a_(3), . . .,a_(n) be an A.P. Statement -1 : (1)/(a_(1)a_(n))+(1)/(a_(2)a_(n-1))+(1)/(a_(3)a_(n-1))+ . . .. +(1)/(a_(n)a_(1)) =(2)/(a_(1)+a_(n))((1)/(a_(1))+(1)/(a_(2))+ . . .. +(1)/(a_(n))) Statement -2: a_(r)+a_(n-r+1)=a_(1)+a_(n)" for "1lerlen

a_(1),a_(2),a_(3)...,a_(n) are in A.P.such that a_(1)+a_(3)+a_(5)=-12 and a_(1)a_(2)a_(3)=8 then:

If |(1+a_(1),a_(2),a_(3)),(a_(1),1+a_(2),a_(3)),(a_(1),a_(2),1+a_(3))|=0 then a_(1)+a_(2)+a_(3)=

Let a_(1),a_(2),a_(3),... be a G.P such that log_(10)(a_(m))=(1)/(n) and log_(10)(a_(n))=(1)/(n) then

Given a_(1),a_(2),......,a_(12) are in G.P. If a_(4)*a_(9)=2019 then value of (a_(2)a_(11)+a_(3)a_(10)+a_(5)a_(8)+a_(6)a_(7))/(a_(4)a_(9)) is equal to

Let a_(1), a_(2), a_(3) , …..be in A.P. If (a_(1) + a_(2) + …. + a_(10))/(a_(1) + a_(2) + …. + a_(p)) = (100)/(p^(2)), p ne 10 , then (a_(11))/(a_(10)) is equal to :

Let a_(1),a_(2),a_(3)... be in A.P.and a_(p),a_(q),a_(r) be in G.P.then value of (a_(q))/(a_(p)) is

Let a_(1), a_(2), a_(3) ….. be terms of an A.P. If (a_(1) + a_(2) + …..a_(p))/(a_(1) + a_(2) + …..a_(q)) = (p^(2))/(q^(2)) (p ne q) then (a_(6))/(a_(21))=