Doubt from significant figure

Given correct answer 1. Pls solve it completely becs even after using calculator I am not able to get it. I know the concept of significant figure ( I.e appropriate approximation).

@Shwetanshu_2018

Edit:-
Sorry, there was one one mistake , I’ll upload the correct solution

I’m getting reversed inequality

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this one is not equal

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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 ?

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As far as now reso allen and fittjee has not published soln . waiting for their soln

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Yes allen treated this as bonus

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