From the given options, select the right number to complete the series: 4, 9, 16, 25, ?

Correct option is A

Ans. (a)
Sol. Let's analyze the pattern:
The given numbers are:
4 = 2²
9 = 3²
16 = 4²
25 = 5²
So, the pattern is a sequence of perfect squares:
2², 3², 4², 5², ...
Next number = 6² = 36