Question 199
Using divisibility test, determine which of the following numbers are divisible by 4?
(a) 4096
(b) 21084
(c) 31795012
We know that, the number is divisible by 4, if its last two digits or digits at ten's and one's place are divisible by 4.
(a) We have, 4096
4096 is divisible by 4. Since, its last two digits i.e. 96 is divisible by 4.
(b) We have, 21084
21084 is divisible by 4. Since, its last two digits i.e. 84 is divisible by 4.
(c) We have, 31795012
31795012 is divisible by 4. Since, its last two digits i.e. 12 is divisible by 4.