Question

Which number is different? 9, 16, 25, 43? The answer MUST have at least 4 differences.

Answer 1

Answer:

16

Step-by-step explanation:

odd. 16: even. 25: odd. 43: odd. 9, 25, and 43 are all odd numbers. 16 is an even number. 16 doesn't belong as it is an even number.