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11 is a tricky one, but this is how:
if the sum of every other digit minus the sum of all the other digits equals a multiple of 11
example:
Q: Is 164725 divisible by 11?
A: Yes. and this is why... first you take every other digit 164725, then add them 6+7+5=18. Now take the rest of the numbers 164725 and add them, 1+4+2=7. After that subtract them, 18-7=11, and 11 is a multiple of 11 (11x1=11).
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How do you know if a number is divisible by 4?
Get the last two digits of the number. If that number is divisible by 4 then that number is divisible by 4. Example : 2393844 The last two digits are 44 and since 44/4 = 11 or 44 is divisible by 4 then the number 2,393,844 is divisible by 4.
How do you know if a number is divisible by 5?
If a number ends in 5 or 0, that number is divisible by 5.
What number is divisible by 19 and 11?
209.
How do you know if the number is divisible by 5?
If the number ends in 0 or 5 it's divisible by 5
Why is 33 divisible by 3?
yes and if you ever want to know if something is divisible by 3 add up the number like 3 plus 3 (33) is 6 and it is divisible by 3. by the way the answer is 11. 11x3=33
