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Let a1, a2, a3, ......, an, are in A.P. ...

Let `a_1, a_2, a_3, ......, a_n`, are in A.P. such that `a_n=100`, `a_40 - a_39 = 3/5`, then `15^(th)` term of A.P. from end is (i) `448/5` (ii)`452/5` (iii) `454/5` (iv) `458/5`

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