The sum of the first $20$ terms common between the series $3 +7 + 1 1 + 15+ ... ......$ and $1 +6+ 11 + 16+ ......$, is
The sum of the first $20$ terms common between the series $3 +7 + 1 1 + 15+ ... ......$ and $1 +6+ 11 + 16+ ......$, is
- [JEE MAIN 2014]
- A
$4000$
- B
$4020$
- C
$4200$
- D
$4220$
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- [IIT 2019]