Question

Please test this 4 sums with 3,9 and 11 with full steps.

Answer 1

Step-by-step explanation:

a) 23455432 is not divisible by 3,9

b) 7699 is not divisible by 3,9

c) 5356 is not divisible by 3,9

d) 45677 is not divisible by 3, 9

There is one rule for checking that given number is divisible by 3 or 9

step :- sum of given number of its digit

if sum of that digit is divisible by 3 or 9 whole number is divisible by 3 or 9.

Example :- given number is 654

add its digits :- 6+5+4 = 15

so 15 is divisible by 3 so number 654 is also divisible by 3

You can also use this method for check the number is divisible by 9 or not .

Thank you

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