Question

DIVISIBILITY RULE OF 7

Answer 1

Double the last digit and subtract it from the remaining leading truncated number. If the result is divisible by 7 then is is divisible by 7 

Answer 2

Step-by-step explanation:

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The divisibility rule of 7 states that for a number to be divisible by 7, the last digit of the given number should be multiplied by 2 and then subtracted with the rest of the number leaving the last digit. If the difference is 0 or a multiple of 7, then it is divisible by 7.