Question

Check whether the following numbers are divisible by 12 or not.
a. 34344​

Answer 1

Divisibility rule of 12 : Number divisible by both 3 and 4.

⇒ Divisibility rule of 3 : A number is divisible by 3 if the sum of the digits is divisible by 3.

⇒ Divisibility rule of 4 : A number is divisible by 4, if the last two digits are a multiple of 4.

• 3+4+3+4+4=18

yes, 34344 is divisible by 3 .

• last two digit is 44 which is divisible by 4, hence 34344 is divisible by 12