Ralph is four times as old as Frank. In 20 years, Ralph will be twice as old as Frank. How old are ralph and Frank?

• let their ages be 4x and x
  a/q
  (4x+20)= 2(x+20)
  => x=10
  thus their ages are 40 and 10
• 10 years agoHelpfull: Yes(7) No(0)
• let frank present age is x year
  then Ralph present age= 4x
  after 20 years
  frank=x+20
  ralph=4x+20
  as per condition
  4x+20=2(x+20)
  x=10
  frank=10
  ralph=40
• 10 years agoHelpfull: Yes(3) No(0)
• only Litmus level question should be there
• 10 years agoHelpfull: Yes(3) No(0)
• let their ages be 4x and x
  now according 2 question
  (4x+20)= 2(x+20)
  => x=10
  age of Frank => 10
  age of Ralph => 4*10=40
  
  
• 10 years agoHelpfull: Yes(1) No(0)