यदि $a_{n+7}-a_n=119$ है और $a_{20}=219$ है, तो $a_{55}$ क्या होगा?

If $a_{n+7}-a_n=119$ and $a_{20}=219$, what is $a_{55}$?

Author: Muft Shiksha Editorial Team Published: 01 Jun 2026, 04:26 PM

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Correct Answer

C. (814)

Explanation

(7d=119), इसलिए (d=17)। $a_{55}=219+35\times17=814$। / (7d=119), so (d=17). $a_{55}=219+35\times17=814$.

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यदि $a_{n+7}-a_n=119$ है और $a_{20}=219$ है, तो $a_{55}$ क्या होगा? / If $a_{n+7}-a_n=119$ and $a_{20}=219$, what is $a_{55}$?

Correct Answer: C. (814). Explanation: (7d=119), इसलिए (d=17)। $a_{55}=219+35\times17=814$। / (7d=119), so (d=17). $a_{55}=219+35\times17=814$.