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Which numbers among 2,3,5,6,9&vides 12345 exactly? Write 12345 in reverse order and test now which abers divide it exactly?​

Answer»

Divisibility test for12345A)DIVISIBLE by 5 as UNITS place is 5B)1+2+3+4+5=15=1+5=6..HENCE divisible by 3In reverse54321As SUM will be same hence it is divisible by 3



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