Number Divisibility Test

Few question and answers for number divisibility test
Q: 45587 are divisible 2?
Ans: No, unit digit not even number.

Q: 458736 are divisible 3?
Ans: (4+5+8+7+3+6) = (33)/3=11, so 33 is divisible by 3, hence 45873are divisible by 3.

Q: 4875 are divisible by 4?
Ans: Here number formed by last two digits is 75 and 75 is not divisible by 4, hence 4875 are not divisible by 4?

Q: 42228 are divisible by 6?
Ans: here last digit is 8 so it is divisible by 2 and 4+2+2+2+8=18 and 18 is divisible by 3, hence 42228 is divisible by 6.

Q: 12223 are divisible by 8?
Ans: No, here number formed from last three digit is 223 and this number is not divisible by 8.

Q: 12155 are divisible by 9?  
Ans: Here sum of all digits 1+2+1+5+5= 14 and 14 is not divisible by 9, hence 12155 is not divisible by 9.

Q: 1545654 are divisible by 11?
Ans: here (1+4+6+4)-(5+5+5) = (15-15) = 0 and 0 is divisible by 11, hence 1545654 is divisible by 11.

Q: 4758632 are divisible by 11?
Ans: here (4+5+6+2)-(7+8+3) = (17-18) = -1 and -1 is not divisible by 11, hence 4758632 is not divisible by 11.