A) 1/3
B) 2/3
C) 12/13
D) 13/15
Correct Answer: B
Solution :
[b] \[\frac{\sigma }{{{\rho }_{W}}}=\frac{15}{15-12},\frac{\sigma }{{{\rho }_{l}}}=\frac{15}{15-13}\] \[\Rightarrow \frac{{{\rho }_{l}}}{{{\rho }_{W}}}=\frac{2}{3}\]You need to login to perform this action.
You will be redirected in
3 sec