Fill in the blanks. (i) If \[{{m}^{2}}={{27}^{2/3}}\times {{16}^{-3/2}}\]then m = P . (ii) If \[ab=1\]then \[\frac{1}{1+{{a}^{-1}}}+\frac{1}{1+{{b}^{-1}}}=\] Q . (iii) If x = \[({{8}^{2/3}}\cdot {{32}^{-2/5}})\]then \[{{x}^{-5}}=\] R

• A. P Q R 5/4 0 10/7                
• B. P Q R 1 1 5/16                
• C. P Q R 3/8 1 1                
• D. P Q R 7/8 0 7/8