defence exam DGAFMS Group C 2025 Mock Test Series Quantitative Aptitude Simplification Surds and Indices
Find the value of \(\sqrt {7\sqrt {7\sqrt {7\sqrt {7\sqrt {7\sqrt 7 } } } } }\)
1
\({7^{\frac{{31}}{{64}}}}\)
2
\({7^{\frac{{1}}{{64}}}}\)
3
\({7^{\frac{{63}}{{64}}}}\)
4
\({7^{\frac{{7}}{{64}}}}\)