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Let a(1), a(2), a(3), …..be in A.P. If (...

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 :

A

`(21)/(19)`

B

`(100)/(121)`

C

`(19)/(21)`

D

`(121)/(100)`

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