Number System , Divisibility Rules , Bank and SSC

If a number is divisible by two numbers x and y, then it is divisible/not divisible by their product x xx y

If a number is divisible by two numbers x and y, then it is divisible/not divisible by their sum x + y

The number 24! is divisible by

Which of the following statements are true? If a number is 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 is divisible by 8, it must be divisible by 4. If a number is divisible by 18, if it is divisible by both 3 and 6. If a number is divisible by both 9 and 10, it must be divisible by 90. If a number exactly divides the sum of two numbers, it must exactly divide the numbers separately. If a number divides three numbers exactly, it must divide their sum exactly. If two numbers are co-prime, at least one of them must be a prime number. The sum of two consecutive odd numbers is always divisible by 4.

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 is 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.

Check the divisibility of the given numbers, as indicated. Using tests for divisibility. 13728 by 11

Check the divisibility of the given numbers, as indicated. Using tests for divisibility. 23514 by 4

Check the divisibility of the given numbers, as indicated. Using tests for divisibility. 567126 by 6

Check the divisibility of the given numbers, as indicated. Using tests for divisibility. 459827 by 9

Check the divisibility of the given numbers, as indicated. Using tests for divisibility. 457209 by 3