Answer :

Given, 322

Need to find out it is divisible by 4 or 8 or both.


322 can be written as 1024


Now, by divisibility rule we have (10c + d) must be divisible by 4


1024 is divisible by 4. Since, 10(2) + 4 = 24 is divisible by 4.


Now, by divisibility rule we have (100b + 10c + d) must be divisible by 8.


1024 is divisible by8. Since, 100(0) + 10(2) + 4 = 24 is divisible by 8.


Hence, 322 is divisible by both 4 and 8.


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