Which of the following numbers is divisible by 8?

Explanation

1. 01

   A number is divisible by 8 when its last three digits are divisible by 8.

2. 02

   $436 \div 8 = 54.5$, $620 \div 8 = 77.5$, $324 \div 8 = 40.5$ — not whole numbers.

3. 03

   $512 \div 8 = 64$, so 61,512 is divisible by 8.