the age of a and b are in the ratio 4:5 and of b and c in the ratio 3:2.the youngedt of three is
a.a b.b c.c d.can't say

• a:b => 4:5 3*(a:b)=> 12:15
  b:c=>3:2 5*(b:c)=> 15:10
  a:b:c =>12:15:10
  Therefore youngest is c.
  
• 10 years agoHelpfull: Yes(2) No(0)