Solve 1+2+3......124

1.	Solve 1+2+3......124
Answer» ❣️ $\textit{\large{\green{\underline{\underline{<klux>ANSWER</klux>:-}}}}}$ $\mathtt{\boxed{\red{1+2+3+...124=7750}}}$ $\textbf{\large{\pink{\underline{\underline{Step by step Explanation:-}}}}}$ $\textit{\underline{Given,,}}$ $\mathtt{a_{n}=124}$ $\textit{\underline{Hence,,}}$ $\mathtt{S_{n}=\frac{(a_{n})(a_{n}+1)}{2}}$ $\mathtt{=\frac{(124)(124+1)}{2}}$ $\mathtt{=\frac{(124)(125)}{2}}$ $\mathtt{=62\times{125}}$ $\mathtt{=7750}$ ❣️❣️✌️Hope you like it.. please MARK it as Brainliest answer.... THANKS ❣️❣️✌️

Answer»

❣️ $\textit{\large{\green{\underline{\underline{<klux>ANSWER</klux>:-}}}}}$