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Vedic Math / Quicker Math / Math Tricks : 
DIVISIBILITY BY NINE : Rule: lf the sum of all the digits of a number is divisible by 9, the number is also divisible by 9.Ex.1. 39681 : 3+9+6+8+1 = 27 is divisible by 9, hence the number is also divisible by 9. Ex.2. 456138 : 4+5+6+1+3+8 = 27 is divisible by 9, hence the number is also divisible by 9. Share new methods & leave your comments below... Click here to top 