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A number is divisible by 6 if and only if it is divisible by 3?
If this is a T-F question, the answer is false. It is true that if a number is divisible by 6, it also divisible by 3. This is true because 6 is divisible by 3. However, the converse -- If a number is divisible by 3, it is divisible by 6, is false. A counterexample is 15. 15 is divisible by 3, but not by 6. It becomes clearer if you split the question into its two parts. A number is divisible by 6 if it is divisible by 3? False. It must also be divisible by 2. A number is divisible by 6 only if it is divisible by 3? True.
What is the divisible of 6?
if a number is divisible by 2 and 3 then its divisible by 6
If a number is divisible by 3 then it is divisible by 6?
Not always as for example 81 is divisible by 3 but not by 6
What is the rule for multiples of 6?
If a number is divisible by 2 (an even number) and 3 (the sum of the digits is divisible by 3) then the number is divisible by 6.
Is 138 divisible by 6?
138 is divisible by 6. Any number is divisible by 6 if it is an even number that also is divisible by 3.
