If $19^{th}$ terms of non -zero $A.P.$ is zero, then its ($49^{th}$ term) : ($29^{th}$ term) is
If $19^{th}$ terms of non -zero $A.P.$ is zero, then its ($49^{th}$ term) : ($29^{th}$ term) is
- [JEE MAIN 2019]
- A
$4 : 1$
- B
$1 : 3$
- C
$3 : 1$
- D
$2 : 1$
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- [JEE MAIN 2019]
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- [KVPY 2017]
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