If 19 th term of a non-zero A.P. is zero, then its $(49$ th term $)$ :(29th term) is :-
$3: 1$
$4: 1$
$2: 1$
$1: 3$
Correct Option: 1
$a+18 d=0$ ......(1)
$\frac{a+48 d}{a+28 d}=\frac{-18 d+48 d}{-18 d+28 d}=\frac{3}{1}$
Leave a comment
All Study Material
