Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Simplification Fractions
If a = \(\frac{7}{9}\) and b = \(\frac{5}{13}\), then the value of \(\left(a^{-1}+b^{-1}\right) \times(a+b)^{-1}\) is:
1
\(\frac{117}{35}\)
2
\(\frac{35}{117}\)
3
\(\frac{35}{136}\)
4
More than one of the above
5
None of the above