1.

Let S = (1)/( 1.4) + (1)/( 4.7) + (1)/(7.10) + .....n terms, Observe the following lists. {:("List-I","List-II"),("A)" underset(n to prop) (Lt) S=, "1)"0 ),("B)" underset(n to 0 ) (Lt) S=,"2)" 3//10),("C)" underset(n to 3) (Lt) S=,"3)"1//3),("D)" underset(n to 4) (Lt) S=,"4)"1),(,"5)"4//13):}

Answer»

A-3, B-4, C-5, D-1
A-2, B-4, C-1, D-2
A-2, B-5, C-1, D-3
A-3, B-1 , C-2, D-5

Answer :D


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