Is 140 divisible by 3 or 5?

Yes, 140 is divisible by 5 but not by 3. A number is divisible by 5 if its last digit is 0 or 5, which 140 has. However, when you add the digits of 140 (1 + 4 + 0 = 5), the sum is not divisible by 3, indicating that 140 itself is not divisible by 3.