Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Simplification Surds and Indices
\({\left[ {{{\left( {\frac{1}{2}} \right)}^{ - 1}} + {{\left( {\frac{2}{3}} \right)}^2} - {{\left( {\frac{3}{4}} \right)}^0}} \right]^{ - 2}} = ?\)
1
\(\frac{{16}}{{81}}\)
2
\(\frac{{81}}{{169}}\)
3
\(\frac{{169}}{{81}}\)
4
More than one of the above
5
None of the above