A) 320
B) 322
C) 324
D) 325
E) 326
Correct Answer: E
Solution :
According to given pattern \[{{S}_{25}}=\left\{ \frac{26}{25},\frac{51}{25},\frac{76}{25},....upto\,25\,terms \right\}\] Here, \[a=\frac{26}{25},n=25,d=1\] \[\therefore \] \[{{S}_{25}}=\frac{25}{2}\left[ \frac{52}{25}+24 \right]=326\]You need to login to perform this action.
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