Question

Is n divisible by 5?

Statements

1. n is an even integer.
2. The last digit of n is 0.

Answer

Statement 2 alone is sufficient.

Solution

1. An even integer may or may not be divisible by 5, so statement 1 is insufficient.
2. A number ending in 0 is divisible by 5.
3. Therefore statement 2 alone is sufficient.