The ages of two friends is in the ratio 5:6. After how many years will the ages be in the ratio 7:8?

• ans is 2 year
  5+x/6+x=7/8
  x=2
• 12 years agoHelpfull: Yes(11) No(4)
• after 10 years
• 12 years agoHelpfull: Yes(5) No(6)
• 5x+y/(6x+y)=7/8
  y=2x,so
  many solutions are present.
• 12 years agoHelpfull: Yes(5) No(1)
• 5x+y/(6x+y)=7/8
  y=2x,so
  any answer but it is even....
  so this question asked than three of them options are odd and one of them
  are even we chose even answer....
• 12 years agoHelpfull: Yes(3) No(1)
• the simple method to solve this problem=
  let present age are 5x and 6x
  let after n year the ration become 7:8
  so
  5x+n/6x+n=7/8
  =>40x+8n=42x+7n
  =>2x=n
  so there are many solution no such definite ans
• 12 years agoHelpfull: Yes(2) No(0)
• Dear
  if present age are 25/30 then its become 10 (35/40)
  so data is incomplete i think
  there must be 1 more relation
• 12 years agoHelpfull: Yes(1) No(0)
• undefined is the answer
• 12 years agoHelpfull: Yes(0) No(1)
• Data is insufficient....
• 12 years agoHelpfull: Yes(0) No(2)
• plz someone give me the correct solution.
• 12 years agoHelpfull: Yes(0) No(0)
• Dears solution is 2 years
  when we let the present age 5and6
• 12 years agoHelpfull: Yes(0) No(0)