In the following question, a set of figures carrying certain characters is given. Assuming that the characters in each set follow a similar pattern, find the missing character in the given question.

Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 49
In each triangle, the top number is made by writing the squares of the two lower numbers side by side.
First triangle: \(3^{2}=9\) and \(4^{2}=16\), written together as 916
Third triangle: \(1^{2}=1\) and \(5^{2}=25\), written together as 125
Second triangle: \(2^{2}=4\) and \(3^{2}=9\), written together as 49