In ( m+1)th, ( n + 1) th, ( r + 1) th t...

In `( m+1)`th, `( n + 1) `th, `( r + 1) ` th terms of an A.P. are in G.P. and m,n,r are in H.P., then ratio of the first term of the A.P. to its common difference interms of n is `:`

A

`-(2)/(n)`

B

`(2)/(n)`

C

`-(n)/(2)`

D

`(n)/(2)`

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The correct Answer is:

A

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