A) 9
B) 12
C) 15
D) 25
Correct Answer: C
Solution :
Let the numbers be 3x and 5x. \[\therefore \] \[\frac{3x+10}{5x+10}=\frac{5}{7}\] \[\Rightarrow \] \[25x+50=21x+70\] \[\Rightarrow \] \[4x=20\] \[\Rightarrow \] \[x=5\] \[\therefore \] Smaller number \[=3x=3\times 5=15\]You need to login to perform this action.
You will be redirected in
3 sec