Question : Which smallest number must be added to 100, so that the resulting number is completely divisible by 6?
Option 1: 2
Option 2: 3
Option 3: 5
Option 4: 4
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Correct Answer: 2
Solution : Divisibility rule of 6: The number should be divisible by both 2 and 3. The next nearest number to 100 that is divisible by both 2 and 3 is 102. Thus, 2 is added to 100 to get a number that is divisible by 6. Hence, the correct answer is 2.
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