If the denominator of a fraction is increased by 4, then the fraction becomes 5/8. If the numerator is 11 less than the denominator, find the numerator.
a) 25 b) 20 c) 30 d) 35

• iniatial fraction=x/y;
  after increasing deno..by 4=> x/(y+4)=5/8;
  given x = y - 11;
  then (y-11)/(y+4)=5/8=>y=36;
  x = 36-11 = 25 ans is (A)
• 12 years agoHelpfull: Yes(17) No(0)
• 25
  
  when numerator is 25,
  5/8 becomes 25/40
  If the denominator of a fraction is increased by 4, then the fraction becomes 5/8.
  when denominator of 25/40 is decreased by 4, we get 25/36
  where the numerator is 11 less than the denominator.
  
  so a) 25
  
• 12 years agoHelpfull: Yes(10) No(1)
• x/y+4=5/8
  y-11/y+4=5/8
  solving second eq we get y=28
  put y in first equation we get x=20
  so ans is 20
• 12 years agoHelpfull: Yes(0) No(8)