What will come in the place of the question mark ‘?’ in the following question?
\(\sqrt[2]{{25\ \times\ 20 \ +\ 5 \ \times \ 25\;\;}} \times \;\sqrt[2]{{25\ \left[ {5\ \left( {7 \ - \ 2} \right)} \right]\;\;}} = \;\;{5^?}\)
1
3
2
4
3
5
4
6
5
None of the above