Sorry, there was one one mistake , I’ll upload the correct solution
Your all calculation are correct . Even I got same. I think none of option is matching . Should I go for challenge the question?
I’m sorry it should be
A1+B1+c1<A4+...... = A3+........=A2+........
Did you check it from other coaching institute’s answer key ?
As far as now reso allen and fittjee has not published soln . waiting for their soln