A) 10
B) 18
C) 15
D) None of these
Correct Answer: D
Solution :
Let the numbers be x and \[(50-x).\] Then, \[\frac{1}{x}+\frac{1}{50x}=\frac{1}{12}\Rightarrow \frac{50\,\,\,x+x}{x(50\,\,\,x)}=\frac{1}{12}\] \[\Rightarrow {{x}^{2}}-50x+600=0\] \[\Rightarrow x=30\] or 20 \[\therefore \]The Number are 20, 30.You need to login to perform this action.
You will be redirected in
3 sec