Question 73

Which of the following numbers is divisible by 9?

Solution

For a number to be divisible by 9, the sum of the digits should be divisible by 9
87654=8+7+6+5+4=30
56765=5+6+7+6+5=29
47862=4+7+8+6+2=27
54321 =5+4+3+2+1=15
So only 47862 is divisible by 9

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Which of the following numbers is divisible by 9?

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