1.

Check for test of divisibility of the followingnumbers by 7.1)7532)203​

Answer» 1)753753 is not divisible by 7.Multiply the last digit with 2 and then SUBTRACT the product from the remaining digits.75-(3×2)=6969 is not divisible by 7 so 753 is not divisible by 7.2)203203 is divisible by 7Multiply the last digit with 2 and then subtract the product from the remaining digits.20-(3×2)=1414 is divisible by 7 so 203 is divisible by 7.


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