Question

the divisibility test of 3​

Answer 1

Answer:

here dot (.)means multiplication

3.1=3

3.2=6

3.3=9

3.4=12

3.x=3x

here

we have to know that

Subtract the quantity of the digits 2, 5, and 8 in the number from the quantity of the digits 1, 4, and 7 in the number. The result must be divisible by 3.