Question

what is the divisibility test of 13​

Answer 1

Answer:

Subtract 9 times the last digit from the rest. The result must be divisible by 13.

FOR EXAMPLE:-

Any number like 3302, now 2x9=18, then 330–18=312, again, 31–18 ( unit digit x 9)31–18=13, as 13 is divisible by 13 so that number 3302 is divisible by 13.

Step-by-step explanation:

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