Question

1 +
+ 21 +41+61....+x
=
622500​

Answer 1

$\Large\tt{Answer}$

1 + 21 + 41 + 61 + x = 622500

_________________________

To find the value of x =

(1 + 21 + 41 + 61) + x = 62250

124 + x = 622500

× = 622500 - 124

•°• x = $\large\sf\underline\orange{6,22,376}$