Find the missing number in the series:
1, 4, 9, 16,?
Show answer & explanation
Correct answer: D
Explanation
1, 4, 9, 16, ?
These are the squares of natural numbers, respectively:
1 = 1²
4 = 2²
9 = 3²
16 = 4²
The next number is:
5² = 25
Correct answer: 25