less than 500 of them are there. Among those 1/3rd know only french 1/4th knows only english, 1/7 knows only german, Then find out how many
are there totally?

• Lcm of 3,4,7 is 84 n maximum multiple of 84 less than 500 is 420..!!
  
• 10 years agoHelpfull: Yes(2) No(0)
• let total members are x
  french=1-1/3=2/3x
  english=1-1/4=3/4x
  german=1-1/7=6/7x
  given that total members
• 13 years agoHelpfull: Yes(0) No(6)
• Let us assume the total number of persons = n
  n
• 11 years agoHelpfull: Yes(0) No(1)