Question

check whether 2856 is divisible by 3 or not using divisible test

Answer 1

Answer:

sum of the digits of number = 2 + 8 + 5 + 6 = 21

21 is divisible by 3, so the number is divisible by 3 too.

Answer 2

Answer:

the divisibility rule of 3 states that first add the numbers if sum is divisible by 3 the number also divisible by 3

here we have 2856

according to rule

2+8+5+6

10+11

=21

that is divisible by 3so the number is also divisible by 3