A) \[8:5\]
B) \[7:3\]
C) \[5:2\]
D) \[9:5\]
E) None of these
Correct Answer: B
Solution :
Explanation Option [b] is correct. Let the age of the son 10 years ago be x years. \[\therefore \] Father?s age 10 years ago would be 3x years. Now as per the information given in question, \[3x+20=2\left( x+20 \right)\] or \[x=20\] \[\therefore \] Ratio of their present ages \[=\left( 3x+10:x+10 \right)=70:30=7:3\]You need to login to perform this action.
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