13. Find if the following are divisible by 3:
(i) 31
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Answer:
31 is not divisible by 3
Step-by-step explanation:
easy trick for you. if you want to identify if any number is divible by 3 add the digits in the number together. I don't know if 93 is divisible by 3 or not so I add 9+3 which gives me 12 and 12 lies in three's table. so 93 would be divisible by 3.
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