Check if any number is divisible by 3 or 9 in seconds. Like ❤️ Subscribe and Comment 😍 #studytricks

Add all the digits of the number
873 = 8 + 7 + 3 = 18
1 + 8 = 9
9 is divisible by both 3 or 9 so the number 873 is divisible by both 3 and 9.
Try with other numbers and comment your result.
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Видео Check if any number is divisible by 3 or 9 in seconds. Like ❤️ Subscribe and Comment 😍 #studytricks канала StudyTricks