state gov DSSSB Junior Secretariat Assistant Mock Test 2021 (Old) Quantitative Aptitude Simplification Surds and Indices
What is the value of \(\frac{1}{1+\sqrt{2}}+ \frac{1}{\sqrt{2} + \sqrt{3}}+\frac{1}{\sqrt{3}+\sqrt{4}}+...+\frac{1}{\sqrt{99}+\sqrt{100}}?\)
1
1
2
5
3
9
4
10