Question

how can you tell if a number is divisible by 4? a. the first digit is 4. b. the last two digits of the number are divisible by 4. c. the sum of the digits is divisible by 4. d. the last digit is even.

Answer 1

Hello,

Answer B

Let's n an integer

n=100*[n/100]+r
As 100 is divisible by 4 , for n divisible by 4 r must be divisible by 4.