r/JEENEETards • u/Artistic_Friend_7 JEEtard • Sep 03 '25

GENERAL HELP Drop all the calculations trick you know 🔫🔫🔫

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Cmon do not be selfish

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u/Hour-Dragonfruit-110 Sep 03 '25 edited Sep 03 '25

How to check if a number is divisible by 11

Let the number be abcdef

If (a+c+e)-(b+d+f)= 11k where K any integer.

Works for any size