Friday, August 17, 2018

Find the least value of * for which 5946*13 is divisible by 3 ?

We know that foe a number to be divisible by 3 its sum must be divisible by 3
so 5+9+6+7+*+1+3 must be divisible by 3
31+* must be divisible by 3
Hence least possible value of * will be 2

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