Find the numbe whis is divisible by 3
a) 224
b) 543 c) 2842
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To check if a number is divisible by 3, we first add the digits then check if it is divisible by 3 or not. If the sum of the digits is divisible by 3 then the number will also be divisible by 3.
a) 224 -> 2+2+4 = 8
Sum = 8 which is not divisible by 3. Therefore the number 224 is not divisible by 3.
b) 543 -> 5+4+3 = 12
Sum = 12 which is divisible by 3. Therefore the number 543 is divisible by 3.
c) 2842 -> 2+8+4+2 = 16
Sum = 16 which is not divisible by 3. Therefore the number 2842 is not divisible by 3.
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