Question:
If 19 th term of a non-zero A.P. is zero, then its $(49$ th term $)$ :(29th term) is :-
Correct Option: 1
Solution:
$a+18 d=0$ ......(1)
$\frac{a+48 d}{a+28 d}=\frac{-18 d+48 d}{-18 d+28 d}=\frac{3}{1}$
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