Question

Which of the following numbers doesn't belong: 9-16-25-43

Answer 1

43 hope this helps you

Answer 2

43

Explanation:

Two other way.

1.

9, 16, 25 - are the perfect squares, 43 is not.

9 = 3²

16 = 4²

25 = 5²

2.

43 - it's a prime number, 9, 16, 25 are composite numbers