divisibility rule of 3,4,7,8,11 Explain the divisibility rules with suitable examples
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the divisibility rule of :-
3 = if the number of digits when added is divisible by 3 , then the whole number is divisible by 3.
4 = if the last 2 digits are divisible by 4, then the whole number is divisible by 4.
7 = Step 1: remove the last digit and double it.
Step 2 : then subtract it from rest of the digit.
Step 3 : if the result is divisible by 7 then the whole number is divisible by 7.
8 = if the last three digits are divisible by 8 then the whole number is divisible by 8.
purvi2830:
thanks
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