2 & 3 की Divisibility?? #shorts

Divisibility by 3

Tests of divisibility by 3

Consider the following statements: The numbers 24984, 26784 and 28584 are divisible by 3 (2) divisible by 4 (3) divisible by 9 Which of these are correct? 1 and 2 (b) 2 and 3 (c) 1 and 3 (d) 1, 2 and 3

If omega be a complex cube root of unity,then the number (1-omega-omega^(2))^(3)+(omega-1-omega^(2))^(3)+(omega^(2)-omega-1)^(3) is: a.Divisible by 3 but not by 8 b.Divisible by 8 but not by 3 c.Divisible by both 3 & 8 d.none of these

n^(3)+2n divisible by

The number 311311311311311311311 is neither divisible by 3 nor by 11 divisible by 11 but not by 3 divisible by 3 but not by 11 divisible by both 3 and 11

Check the divisibility of 226180 by 2, 3, 5.

Which of the following statements are true? If a number divisible by 3, it must be divisible by 9. If a number is divisible by 9, it must be divisible by 3. If a number is divisible by 4, it must be divisible by 8. If a number id divisible by 8,it must be divisible by 4. A number is divisible by 18, if it is divisible by both 3 and 6. If a number divisible by both 9 and 10, it must be divisible by 90.