53. The ratio of current age of x and y is 5:7, after how many years their age ratio will b 7:9?

• At least 2 years.
  
  If present ages are 5 and 7, ratio of current age of x and y is 5:7, after 2 years their age ratio will b 7:9.
  If present ages are 10 and 14, ratio of current age of x and y is 5:7, after 4 years their ages will be 14 and 18 years and ratio will b 7:9.
  
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  If present ages are 5t and 7t, ratio of current age of x and y is 5:7, after 2t years their age ratio will b 7:9.
• 13 years agoHelpfull: Yes(6) No(1)
• ANS COULD BE 2 YEARS BUT I THINK IT SHOULD MENTION IN THE QUE LIKE SUM OF THEIR AGES IS 12 ETC.
• 13 years agoHelpfull: Yes(1) No(2)
• 5+y 7
  --- = -- ==> 45+9y=49+7y ==> 2y=4 ==>y=2
  7+y 9
  
  Hence ans is 2 yrs
• 13 years agoHelpfull: Yes(1) No(1)
• x:y=5:7
  (5+X)/(7+X)=7/9
  =>2X=4
  =>X=2
  therefore 2 years
• 12 years agoHelpfull: Yes(0) No(0)