Ans key: option(a).

My brain not working! :'( :'(
Q.5. The value of $\frac{3+\log 343}{2+\frac{1}{2}\log \left(\frac{49}{4}\right)+\frac{1}{3}\log \left(\frac{1}{125}\right)}$ is
(a) 3
(b) 2
(c) 1
(d) $\frac{3}{2}$